changeset 21758:ffad2baa90f7

maint: Use newlines to make code more readable.
author Rik <rik@octave.org>
date Fri, 20 May 2016 15:46:45 -0700
parents c94fde6d7c27
children b002b4331a12
files libinterp/corefcn/debug.cc scripts/@ftp/cd.m scripts/@ftp/ftp.m scripts/@ftp/loadobj.m scripts/audio/@audioplayer/set.m scripts/audio/@audioplayer/subsref.m scripts/audio/@audiorecorder/subsasgn.m scripts/general/accumarray.m scripts/general/bitcmp.m scripts/general/celldisp.m scripts/general/common_size.m scripts/general/dblquad.m scripts/general/del2.m scripts/general/gradient.m scripts/general/idivide.m scripts/general/nthargout.m scripts/general/polyarea.m scripts/general/private/__splinen__.m scripts/general/profexplore.m scripts/general/quadgk.m scripts/general/quadv.m scripts/general/structfun.m scripts/general/trapz.m scripts/general/validateattributes.m scripts/geometry/dsearch.m scripts/geometry/dsearchn.m scripts/geometry/tsearchn.m scripts/gui/waitbar.m scripts/help/__unimplemented__.m scripts/help/doc_cache_create.m scripts/help/get_first_help_sentence.m scripts/help/help.m scripts/help/lookfor.m scripts/help/print_usage.m scripts/help/private/__strip_html_tags__.m scripts/help/type.m scripts/image/colormap.m scripts/image/cubehelix.m scripts/image/im2double.m scripts/image/imfinfo.m scripts/image/imformats.m scripts/image/imwrite.m scripts/image/ntsc2rgb.m scripts/image/private/colorspace_conversion_revert.m scripts/linear-algebra/logm.m scripts/linear-algebra/normest.m scripts/miscellaneous/fact.m scripts/miscellaneous/run.m scripts/miscellaneous/symvar.m scripts/miscellaneous/unpack.m scripts/optimization/fminunc.m scripts/optimization/fsolve.m scripts/optimization/optimset.m scripts/optimization/private/__fdjac__.m scripts/optimization/sqp.m scripts/pkg/private/build.m scripts/pkg/private/configure_make.m scripts/pkg/private/default_prefix.m scripts/pkg/private/describe.m scripts/pkg/private/dirempty.m scripts/pkg/private/get_description.m scripts/pkg/private/get_forge_download.m scripts/pkg/private/get_unsatisfied_deps.m scripts/pkg/private/getarch.m scripts/pkg/private/install.m scripts/pkg/private/installed_packages.m scripts/pkg/private/list_forge_packages.m scripts/pkg/private/load_packages.m scripts/pkg/private/load_packages_and_dependencies.m scripts/pkg/private/rebuild.m scripts/pkg/private/save_order.m scripts/pkg/private/uninstall.m scripts/pkg/private/unload_packages.m scripts/plot/appearance/annotation.m scripts/plot/appearance/datetick.m scripts/plot/appearance/legend.m scripts/plot/appearance/whitebg.m scripts/plot/appearance/xlim.m scripts/plot/appearance/ylim.m scripts/plot/appearance/zlim.m scripts/plot/draw/area.m scripts/plot/draw/colorbar.m scripts/plot/draw/fill.m scripts/plot/draw/isocolors.m scripts/plot/draw/isonormals.m scripts/plot/draw/plotmatrix.m scripts/plot/draw/plotyy.m scripts/plot/draw/polar.m scripts/plot/draw/private/__bar__.m scripts/plot/draw/private/__contour__.m scripts/plot/draw/private/__errplot__.m scripts/plot/draw/private/__interp_cube__.m scripts/plot/draw/private/__marching_cube__.m scripts/plot/draw/private/__patch__.m scripts/plot/draw/private/__pie__.m scripts/plot/draw/private/__plt__.m scripts/plot/draw/private/__quiver__.m scripts/plot/draw/private/__scatter__.m scripts/plot/draw/private/__stem__.m scripts/plot/draw/rectangle.m scripts/plot/draw/stairs.m scripts/plot/util/__actual_axis_position__.m scripts/plot/util/__gnuplot_drawnow__.m scripts/plot/util/axes.m scripts/plot/util/findobj.m scripts/plot/util/ginput.m scripts/plot/util/hdl2struct.m scripts/plot/util/im2frame.m scripts/plot/util/ishghandle.m scripts/plot/util/isprop.m scripts/plot/util/linkprop.m scripts/plot/util/pan.m scripts/plot/util/print.m scripts/plot/util/printd.m scripts/plot/util/private/__add_default_menu__.m scripts/plot/util/private/__gnuplot_draw_axes__.m scripts/plot/util/private/__gnuplot_open_stream__.m scripts/plot/util/private/__gnuplot_print__.m scripts/plot/util/private/__print_parse_opts__.m scripts/plot/util/refreshdata.m scripts/plot/util/rotate3d.m scripts/plot/util/struct2hdl.m scripts/plot/util/subplot.m scripts/plot/util/zoom.m scripts/polynomial/polyout.m scripts/polynomial/ppder.m scripts/polynomial/ppint.m scripts/polynomial/ppjumps.m scripts/polynomial/splinefit.m scripts/signal/detrend.m scripts/signal/filter2.m scripts/sparse/bicgstab.m scripts/sparse/colperm.m scripts/sparse/etreeplot.m scripts/sparse/pcg.m scripts/sparse/qmr.m scripts/sparse/spaugment.m scripts/sparse/speye.m scripts/sparse/treelayout.m scripts/specfun/expint.m scripts/specfun/isprime.m scripts/statistics/base/lscov.m scripts/statistics/base/mode.m scripts/statistics/distributions/binoinv.m scripts/statistics/distributions/nbininv.m scripts/statistics/distributions/poissinv.m scripts/testfun/__have_feature__.m scripts/testfun/__printf_assert__.m scripts/testfun/__prog_output_assert__.m scripts/testfun/__run_test_suite__.m scripts/testfun/demo.m scripts/testfun/private/compare_plot_demos.m scripts/testfun/private/dump_demos.m scripts/testfun/rundemos.m scripts/testfun/runtests.m scripts/testfun/test.m
diffstat 156 files changed, 894 insertions(+), 369 deletions(-) [+]
line wrap: on
line diff
--- a/libinterp/corefcn/debug.cc	Fri May 20 12:03:39 2016 -0700
+++ b/libinterp/corefcn/debug.cc	Fri May 20 15:46:45 2016 -0700
@@ -437,12 +437,12 @@
 %! dbstop in ls;
 %! dbstop help at 100;
 %! dbstop in ls 100;
-%! dbstop help 200 if a==5;
+%! dbstop help 201 if a==5;
 %! dbstop if error Octave:undefined-function;
 %! s = dbstatus;
 %! dbclear all;
 %! assert ({s.bkpt(:).name}, {"help", "help", "help>do_contents", "ls", "ls"});
-%! assert ([s.bkpt(:).line], [48, 100, 200, 58, 100]);
+%! assert ([s.bkpt(:).line], [48, 100, 201, 58, 100]);
 %! assert (s.errs, {"Octave:undefined-function"});
 */
 
--- a/scripts/@ftp/cd.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/@ftp/cd.m	Fri May 20 15:46:45 2016 -0700
@@ -32,6 +32,7 @@
 ## @end deftypefn
 
 function path = cd (f, path)
+
   if (nargin != 1 && nargin != 2)
     print_usage ();
   endif
@@ -39,7 +40,9 @@
   if (nargin == 2)
     __ftp_cwd__ (f.curlhandle, path);
   endif
+
   path = __ftp_pwd__ (f.curlhandle);
+
 endfunction
 
 
--- a/scripts/@ftp/ftp.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/@ftp/ftp.m	Fri May 20 15:46:45 2016 -0700
@@ -46,6 +46,7 @@
 ## @end deftypefn
 
 function obj = ftp (host = "", username = "anonymous", password = "")
+
   if (nargin == 1 && isa (host, "ftp"))
     obj = host;   # Copy constructor
   else
@@ -58,6 +59,7 @@
     endif
     obj = class (p, "ftp");
   endif
+
 endfunction
 
 
--- a/scripts/@ftp/loadobj.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/@ftp/loadobj.m	Fri May 20 15:46:45 2016 -0700
@@ -17,6 +17,7 @@
 ## <http://www.gnu.org/licenses/>.
 
 function b = loadobj (a)
+
   b = a;
   if (isfield (b, "jobject"))
     b = rmfield (b, "jobject");
@@ -32,6 +33,7 @@
     warning ("@ftp/loadobj: can not change remote directory in loaded FTP object");
     b = rmfield (b, "remotePwd");
   endif
+
 endfunction
 
 
--- a/scripts/audio/@audioplayer/set.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/audio/@audioplayer/set.m	Fri May 20 15:46:45 2016 -0700
@@ -62,6 +62,7 @@
 endfunction
 
 function setproperty (player, property, value)
+
   switch (property)
     case "SampleRate"
       __player_set_fs__ (player, value);
@@ -72,4 +73,6 @@
     otherwise
       error ("audioplayer: no such property or the property specified is read-only");
   endswitch
+
 endfunction
+
--- a/scripts/audio/@audioplayer/subsref.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/audio/@audioplayer/subsref.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,7 @@
 ## @end deftypefn
 
 function value = subsref (player, idx)
+
   if (nargin != 2)
     print_usage ();
   endif
@@ -40,3 +41,4 @@
   endif
 
 endfunction
+
--- a/scripts/audio/@audiorecorder/subsasgn.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/audio/@audiorecorder/subsasgn.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,7 @@
 ## @end deftypefn
 
 function value = subsasgn (recorder, idx, rhs)
+
   if (nargin != 3)
     print_usage ();
   endif
@@ -41,3 +42,4 @@
   endif
 
 endfunction
+
--- a/scripts/general/accumarray.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/accumarray.m	Fri May 20 15:46:45 2016 -0700
@@ -370,6 +370,7 @@
       A(subs) = vals;
     endif
   endif
+
 endfunction
 
 
--- a/scripts/general/bitcmp.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/bitcmp.m	Fri May 20 15:46:45 2016 -0700
@@ -71,6 +71,7 @@
     mask = bitshift (bmax, k - amax);
     C = bitxor (bitand (A, mask), mask);
   endif
+
 endfunction
 
 
--- a/scripts/general/celldisp.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/celldisp.m	Fri May 20 15:46:45 2016 -0700
@@ -69,9 +69,11 @@
       disp ("");
     endif
   endfor
+
 endfunction
 
 function s = indices (dv, i)
+
   if (sum (dv != 1) > 1)
     c = cell (size (dv));
     [c{:}] = ind2sub (dv, i);
@@ -80,6 +82,7 @@
   else
     s = sprintf ("%i", i);
   endif
+
 endfunction
 
 
--- a/scripts/general/common_size.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/common_size.m	Fri May 20 15:46:45 2016 -0700
@@ -78,6 +78,7 @@
       endif
     endif
   endif
+
 endfunction
 
 
--- a/scripts/general/dblquad.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/dblquad.m	Fri May 20 15:46:45 2016 -0700
@@ -65,6 +65,7 @@
 
   q = feval (quadf, @(y) inner (y, f, xa, xb, tol, quadf,
                                 varargin{:}), ya, yb, tol);
+
 endfunction
 
 function q = __dblquad_inner__ (y, f, xa, xb, tol, quadf, varargin)
--- a/scripts/general/del2.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/del2.m	Fri May 20 15:46:45 2016 -0700
@@ -157,6 +157,7 @@
   endfor
 
   D ./= nd;
+
 endfunction
 
 
--- a/scripts/general/gradient.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/gradient.m	Fri May 20 15:46:45 2016 -0700
@@ -84,6 +84,7 @@
 endfunction
 
 function varargout = matrix_gradient (m, varargin)
+
   transposed = false;
   if (isvector (m))
     ## make a row vector.
@@ -168,9 +169,11 @@
   if (transposed)
     varargout{1} = varargout{1}.';
   endif
+
 endfunction
 
 function varargout = handle_gradient (f, p0, varargin)
+
   ## Input checking
   p0_size = size (p0);
 
@@ -218,6 +221,7 @@
       varargout{d} = df_dx;
     endif
   endfor
+
 endfunction
 
 
--- a/scripts/general/idivide.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/idivide.m	Fri May 20 15:46:45 2016 -0700
@@ -66,6 +66,7 @@
 ## @end deftypefn
 
 function z = idivide (x, y, op)
+
   if (nargin < 2 || nargin > 3)
     print_usage ();
   elseif (nargin == 2)
@@ -98,6 +99,7 @@
       error ("idivide: unrecognized rounding type");
     endif
   endif
+
 endfunction
 
 
--- a/scripts/general/nthargout.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/nthargout.m	Fri May 20 15:46:45 2016 -0700
@@ -67,6 +67,7 @@
 ## Author: Jordi Gutiérrez Hermoso
 
 function out = nthargout (n, varargin)
+
   if (nargin < 2)
     print_usage ();
   endif
--- a/scripts/general/polyarea.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/polyarea.m	Fri May 20 15:46:45 2016 -0700
@@ -49,17 +49,19 @@
 ##    * optimization saving half the sums and multiplies
 
 function a = polyarea (x, y, dim)
+
   if (nargin != 2 && nargin != 3)
     print_usage ();
-  elseif (size_equal (x, y))
-    if (nargin == 2)
-      a = abs (sum (x .* (shift (y, -1) - shift (y, 1)))) / 2;
-    else
-      a = abs (sum (x .* (shift (y, -1, dim) - shift (y, 1, dim)), dim)) / 2;
-    endif
-  else
+  elseif (! size_equal (x, y))
     error ("polyarea: X and Y must have the same shape");
   endif
+
+  if (nargin == 2)
+    a = abs (sum (x .* (shift (y, -1) - shift (y, 1)))) / 2;
+  else
+    a = abs (sum (x .* (shift (y, -1, dim) - shift (y, 1, dim)), dim)) / 2;
+  endif
+
 endfunction
 
 
--- a/scripts/general/private/__splinen__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/private/__splinen__.m	Fri May 20 15:46:45 2016 -0700
@@ -26,6 +26,7 @@
 ## FIXME: Allow arbitrary grids..
 
 function yi = __splinen__ (x, y, xi, extrapval, f)
+
   ## ND isvector function.
   isvec = @(x) numel (x) == length (x);
   if (! iscell (x) || length (x) < ndims (y) || any (! cellfun (isvec, x))
@@ -46,5 +47,6 @@
     endfor
     yi(idx) = extrapval;
   endif
+
 endfunction
 
--- a/scripts/general/profexplore.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/profexplore.m	Fri May 20 15:46:45 2016 -0700
@@ -134,5 +134,6 @@
     endif
 
   endwhile
+
 endfunction
 
--- a/scripts/general/quadgk.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/quadgk.m	Fri May 20 15:46:45 2016 -0700
@@ -447,6 +447,7 @@
   ## single BLAS call, rather than rows (sub) calls to the @times function.
   q = sum (y * weights15, 2) .* halfwidth;
   err = abs (sum (y(:,2:2:end) * weights7, 2) .* halfwidth - q);
+
 endfunction
 
 function t = __quadgk_finite_waypoint__ (x, a, b)
--- a/scripts/general/quadv.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/quadv.m	Fri May 20 15:46:45 2016 -0700
@@ -114,6 +114,7 @@
 
 function [q, nfun, hmin] = simpsonstp (f, a, b, c, fa, fb, fc, q0, nfun, hmin,
                                        tol, trace, varargin)
+
   if (nfun > 10_000)
     q = q0;
   else
--- a/scripts/general/structfun.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/structfun.m	Fri May 20 15:46:45 2016 -0700
@@ -107,6 +107,7 @@
     varargout = cellfun ("cell2struct", varargout, {fieldnames(S)}, {1}, ...
                          uo_str, false);
   endif
+
 endfunction
 
 
--- a/scripts/general/trapz.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/trapz.m	Fri May 20 15:46:45 2016 -0700
@@ -122,6 +122,7 @@
       z = 0.5 * sum (diff (x, 1, dim) .* (y(idx1{:}) + y(idx2{:})), dim);
     endif
   endif
+
 endfunction
 
 
--- a/scripts/general/validateattributes.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/general/validateattributes.m	Fri May 20 15:46:45 2016 -0700
@@ -330,6 +330,7 @@
       error ("%s must be %s", err_ini, attr{idx-1});
     endif
   endwhile
+
 endfunction
 
 function retval = valid_arg_idx (arg)
--- a/scripts/geometry/dsearch.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/geometry/dsearch.m	Fri May 20 15:46:45 2016 -0700
@@ -27,10 +27,13 @@
 ## @end deftypefn
 
 function idx = dsearch (x, y, tri, xi, yi, s)
+
   if (nargin < 5 || nargin > 6)
     print_usage ();
   endif
+
   idx = __dsearchn__ ([x(:), y(:)], [xi(:), yi(:)]);
+
 endfunction
 
 
--- a/scripts/geometry/dsearchn.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/geometry/dsearchn.m	Fri May 20 15:46:45 2016 -0700
@@ -31,6 +31,7 @@
 ## @end deftypefn
 
 function [idx, d] = dsearchn (x, tri, xi, outval)
+
   if (nargin < 2 || nargin > 4)
     print_usage ();
   endif
@@ -45,6 +46,7 @@
       d(idx2) = outval;
     endif
   endif
+
 endfunction
 
 
--- a/scripts/geometry/tsearchn.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/geometry/tsearchn.m	Fri May 20 15:46:45 2016 -0700
@@ -31,6 +31,7 @@
 ## @end deftypefn
 
 function [idx, p] = tsearchn (x, t, xi)
+
   if (nargin != 3)
     print_usage ();
   endif
@@ -56,6 +57,7 @@
     p(ni(intri),:) = b(intri, :);
     ni(intri) = [];
   endfor
+
 endfunction
 
 function Beta = cart2bary (T, P)
@@ -84,6 +86,7 @@
   [M, N] = size (P);
   Beta = (P - ones (M,1) * T(end,:)) / (T(1:end-1,:) - ones (N,1) * T(end,:));
   Beta (:,end+1) = 1 - sum (Beta, 2);
+
 endfunction
 
 
--- a/scripts/gui/waitbar.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/gui/waitbar.m	Fri May 20 15:46:45 2016 -0700
@@ -161,6 +161,7 @@
 endfunction
 
 function updatecancelbutton (hf, dummy, hax)
+
   if (! strcmpi (get (hf, "__graphics_toolkit__"), "qt"))
     return
   endif
@@ -199,6 +200,7 @@
     set (hf, "position", fpos);
     set (hax, "position", apos, "units", units);
   endif
+
 endfunction
 
 
--- a/scripts/help/__unimplemented__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/__unimplemented__.m	Fri May 20 15:46:45 2016 -0700
@@ -526,6 +526,7 @@
 endfunction
 
 function txt = check_package (fcn, name)
+
   txt = sprintf ("the '%s' function belongs to the %s package from Octave Forge",
                  fcn, name);
 
@@ -542,6 +543,7 @@
       ## the output of describe
       txt = sprintf ("%s which seems to not be installed in your system.", txt);
   endswitch
+
 endfunction
 
 function list = missing_functions ()
--- a/scripts/help/doc_cache_create.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/doc_cache_create.m	Fri May 20 15:46:45 2016 -0700
@@ -66,6 +66,7 @@
 endfunction
 
 function [text, first_sentence, status] = handle_function (f, text, format)
+
   first_sentence = "";
   ## Skip internal functions starting with "__"
   if (strncmp (f, "__", 2))
@@ -93,9 +94,11 @@
 
   ## Get first sentence of help text
   first_sentence = get_first_help_sentence (f);
+
 endfunction
 
 function cache = create_cache (list)
+
   cache = {};
 
   ## For each function:
@@ -117,6 +120,7 @@
     cache(2, end) = text;
     cache(3, end) = first_sentence;
   endfor
+
 endfunction
 
 function cache = gen_doc_cache_in_dir (directory)
@@ -150,12 +154,14 @@
 endfunction
 
 function cache = gen_builtin_cache ()
+
   operators = __operators__ ();
   keywords = __keywords__ ();
   builtins = __builtins__ ();
   list = {operators{:}, keywords{:}, builtins{:}};
 
   cache = create_cache (list);
+
 endfunction
 
 
--- a/scripts/help/get_first_help_sentence.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/get_first_help_sentence.m	Fri May 20 15:46:45 2016 -0700
@@ -42,7 +42,7 @@
 ## @end deftypefn
 
 function [text, status] = get_first_help_sentence (name, max_len = 80)
-  ## Check input
+
   if (nargin < 1 || nargin > 2)
     print_usage ();
   endif
@@ -77,6 +77,7 @@
   if (nargout <= 1 && status != 0)
     warning ("get_first_help_sentence: couldn't run makeinfo on '%s'", name);
   endif
+
 endfunction
 
 ## This function extracts the first sentence from a plain text help text
@@ -140,6 +141,7 @@
 
   ## Extract first line with plain text method.
   text = first_sentence_plain_text (help_text, max_len);
+
 endfunction
 
 ## This function extracts the first sentence from a html help text.
--- a/scripts/help/help.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/help.m	Fri May 20 15:46:45 2016 -0700
@@ -130,7 +130,6 @@
 endfunction
 
 function retval = do_list_operators ()
-
   retval = sprintf ("*** operators:\n\n%s\n\n",
                     list_in_columns (__operators__ ()));
 endfunction
--- a/scripts/help/lookfor.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/lookfor.m	Fri May 20 15:46:45 2016 -0700
@@ -183,15 +183,18 @@
 endfunction
 
 function [fcns, help_texts] = search_cache (str, cache_file, search_type)
+
   load (cache_file);
-  if (! isempty (cache))
-    t1 = strfind (lower (cache (1, :)), str);
-    t2 = strfind (lower (cache (search_type, :)), str);
+
+  if (isempty (cache))
+    fcns = help_texts = {};
+  else
+    t1 = strfind (lower (cache(1, :)), str);
+    t2 = strfind (lower (cache(search_type, :)), str);
     cache_idx = find (! (cellfun ("isempty", t1) & cellfun ("isempty", t2)));
     fcns = cache(1, cache_idx);
     help_texts = cache(3, cache_idx);
-  else
-    fcns = help_texts = {};
   endif
+
 endfunction
 
--- a/scripts/help/print_usage.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/print_usage.m	Fri May 20 15:46:45 2016 -0700
@@ -27,6 +27,7 @@
 ## @end deftypefn
 
 function print_usage (name)
+
   x = dbstack ();
   ## Handle input
   if (nargin == 0)
@@ -100,6 +101,7 @@
 endfunction
 
 function [retval, status] = get_usage_texinfo (help_text, max_len)
+
   ## Lines ending with "@\n" are continuation lines, so they should be
   ## concatenated with the following line.
   help_text = strrep (help_text, "@\n", " ");
@@ -127,6 +129,7 @@
 
   ## Run makeinfo to generate plain text
   [retval, status] = __makeinfo__ (buffer, "plain text");
+
 endfunction
 
 function [retval, status] = get_usage_html (help_text, max_len)
--- a/scripts/help/private/__strip_html_tags__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/private/__strip_html_tags__.m	Fri May 20 15:46:45 2016 -0700
@@ -25,6 +25,7 @@
 ## function.
 
 function [text, status] = __strip_html_tags__ (html_text)
+
   start = find (html_text == "<");
   stop  = find (html_text == ">");
   if (length (start) == length (stop))
@@ -40,10 +41,12 @@
     text = "";
     status = 1;
   endif
+
 endfunction
 
 ## This function removes end-lines (\n) that makes printing look bad
 function text = strip_superfluous_endlines (text)
+
   ## Find groups of end-lines
   els = find (text == "\n");
   dels = diff (els);
@@ -78,5 +81,6 @@
 
   ## Actually remove the elements
   text = text(keep);
+
 endfunction
 
--- a/scripts/help/type.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/help/type.m	Fri May 20 15:46:45 2016 -0700
@@ -124,6 +124,7 @@
       text{n} = txt;
     endif
   endfor
+
 endfunction
 
 
--- a/scripts/image/colormap.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/colormap.m	Fri May 20 15:46:45 2016 -0700
@@ -60,6 +60,7 @@
 ## Adapted-By: jwe
 
 function cmap = colormap (varargin)
+
   mlock; # prevent map_list to be cleared by "clear all"
   persistent map_list = cell ();
 
--- a/scripts/image/cubehelix.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/cubehelix.m	Fri May 20 15:46:45 2016 -0700
@@ -54,8 +54,8 @@
   elseif (! isscalar (n))
     error ("cubehelix: N must be a scalar");
   endif
+
   n = double (n);
-
   if (n > 1)
     coeff = [ -0.14861  -0.29227   1.97294
                1.78277  -0.90649   0.00000];
@@ -69,7 +69,6 @@
     ## Clip values (only in case users have changed values of hue or gamma)
     map(map < 0) = 0;
     map(map > 1) = 1;
-
   elseif (n > 0)
     map = [0, 0, 0];
   else
@@ -79,8 +78,8 @@
 endfunction
 
 
-## A better demo of this colormap would be a 3d plot in ntsc instead of
-## rgb values.  That would really show what this colormap is about.
+## A better demo of this colormap would be a 3D plot in NTSC instead of
+## RGB values.  That would really show what this colormap is about.
 %!demo
 %! ## Show the 'cubehelix' colormap profile and as an image
 %! cmap = cubehelix (256);
@@ -88,3 +87,4 @@
 %! rgbplot (cmap, "composite");
 %! subplot (2, 1, 2);
 %! rgbplot (cmap);
+
--- a/scripts/image/im2double.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/im2double.m	Fri May 20 15:46:45 2016 -0700
@@ -53,8 +53,13 @@
 ## Author: Carnë Draug <carandraug@octave.org>
 
 function img = im2double (img, im_type)
-  ## "normal" (non-indexed) images
-  if (nargin () == 1)
+
+  if (nargin < 1 || nargin > 2)
+    print_usage ();
+  endif
+
+  if (nargin == 1)
+    ## "normal" (non-indexed) images
     switch (class (img))
       case "uint8",   img = double (img) / 255;
       case "uint16",  img = double (img) / 65535;
@@ -64,9 +69,8 @@
       case "double",  # do nothing
       otherwise, error ("im2double: IMG is of unsupported class \"%s\"", class (img));
     endswitch
-
-  ## indexed images
-  elseif (nargin () == 2)
+  else
+    ## indexed images
     if (! strcmpi (im_type, "indexed"))
       error ("im2double: second input argument must be the string \"indexed\"");
     elseif (any (isa (img, {"uint8", "uint16"})))
@@ -80,10 +84,8 @@
       error (["im2double: if IMG is indexed, then it must be positive " ...
               "integer floating points, or unsigned integer class"]);
     endif
+  endif
 
-  else
-    print_usage ();
-  endif
 endfunction
 
 
--- a/scripts/image/imfinfo.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/imfinfo.m	Fri May 20 15:46:45 2016 -0700
@@ -149,6 +149,7 @@
 ## Author: Soren Hauberg <hauberg@gmail.com>
 
 function info = imfinfo (filename, varargin)
+
   if (nargin < 1 || nargin > 2)
     print_usage ();
   elseif (! ischar (filename))
@@ -156,9 +157,12 @@
   elseif (nargin > 1 && ! ischar (ext))
     error ("imfinfo: EXT must be a string");
   endif
+
   info = imageIO ("imfinfo", @__imfinfo__, "info", filename, varargin{:});
+
 endfunction
 
+
 ## This test is the same as the similar one in imread.  imfinfo must check
 ## if file exists before calling __imfinfo_.  This BIST test confirms this.
 %!testif HAVE_MAGICK
--- a/scripts/image/imformats.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/imformats.m	Fri May 20 15:46:45 2016 -0700
@@ -71,6 +71,7 @@
 ## Author: Carnë Draug <carandraug@octave.org>
 
 function varargout = imformats (arg1, arg2, arg3)
+
   if (nargin > 3)
     print_usage ();
   endif
@@ -138,6 +139,7 @@
   else
     varargout{1} = formats;
   endif
+
 endfunction
 
 function formats = default_formats ()
@@ -254,6 +256,7 @@
 
   ## fills rest of format information by checking with GraphicsMagick
   formats = __magick_formats__ (formats);
+
 endfunction
 
 function is_valid_format (format)
@@ -264,21 +267,24 @@
   if (! all (fields_mask))
     error ("imformats: structure has missing field `%s'.", min_fields(! fields_mask){1});
   endif
+
 endfunction
 
 function match = find_ext_idx (formats, ext)
-  ## XXX: what should we do if there's more than one hit?
-  ##      Should this function prevent the addition of
-  ##      duplicated extensions?
+  ## FIXME: what should we do if there's more than one hit?
+  ##        Should this function prevent the addition of
+  ##        duplicated extensions?
   match = cellfun (@(x) any (strcmpi (x, ext)), {formats.ext});
 endfunction
 
 function bool = isa_magick (coder, filename)
+
   bool = false;
   try
     info = __magick_ping__ (filename, 1);
     bool = strcmp (coder, info.Format);
   end_try_catch
+
 endfunction
 
 function pretty_print_formats (formats)
@@ -315,6 +321,7 @@
 
 endfunction
 
+
 ## This must work, even without support for image IO
 %!test
 %! formats = imformats ();
--- a/scripts/image/imwrite.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/imwrite.m	Fri May 20 15:46:45 2016 -0700
@@ -97,9 +97,11 @@
 ## @end deftypefn
 
 function imwrite (varargin)
+
   if (nargin < 2)
     print_usage ();
   endif
+
   [filename, ext] = imwrite_filename (varargin{2:end});
 
   fmt = imformats (ext);
@@ -119,6 +121,7 @@
 
 endfunction
 
+
 ## Test input validation
 %!error imwrite ()                            # Wrong # of args
 %!error imwrite (1)                           # Wrong # of args
--- a/scripts/image/ntsc2rgb.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/ntsc2rgb.m	Fri May 20 15:46:45 2016 -0700
@@ -82,6 +82,7 @@
   rgb(idx,:) = rgb(idx,:) ./ max (rgb(idx,:), [], 2);
 
   rgb = colorspace_conversion_revert (rgb, sz, is_im, is_nd);
+
 endfunction
 
 
--- a/scripts/image/private/colorspace_conversion_revert.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/image/private/colorspace_conversion_revert.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## colorspace_conversion_input_check()
 
 function rv = colorspace_conversion_revert (rv, sz, is_im, is_nd)
+
   if (is_im)
     if (is_nd)
       rv = reshape (rv, [sz(1:2) sz(4) sz(3)]);
@@ -31,4 +32,6 @@
       rv = reshape (rv, sz);
     endif
   endif
+
 endfunction
+
--- a/scripts/linear-algebra/logm.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/linear-algebra/logm.m	Fri May 20 15:46:45 2016 -0700
@@ -133,6 +133,7 @@
 ##   LOG(EYE(SIZE(A))+A) using a partial fraction expansion.
 
 function s = logm_pade_pf (A, m)
+
   [nodes, wts] = gauss_legendre (m);
   ## Convert from [-1,1] to [0,1].
   nodes = (nodes+1)/2;
@@ -143,6 +144,7 @@
   for j = 1:m
     s += wts(j)*(A/(eye (n) + nodes(j)*A));
   endfor
+
 endfunction
 
 ######################################################################
@@ -155,11 +157,13 @@
 ## rules, Math. Comp., 23(106):221-230, 1969.
 
 function [x, w] = gauss_legendre (n)
+
   i = 1:n-1;
   v = i./sqrt ((2*i).^2-1);
   [V, D] = eig (diag (v, -1) + diag (v, 1));
   x = diag (D);
   w = 2*(V(1,:)'.^2);
+
 endfunction
 
 
--- a/scripts/linear-algebra/normest.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/linear-algebra/normest.m	Fri May 20 15:46:45 2016 -0700
@@ -76,6 +76,7 @@
   until (abs (n - n0) <= tol * n)
 
   rand ("state", v);    # restore state of random number generator
+
 endfunction
 
 
--- a/scripts/miscellaneous/fact.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/miscellaneous/fact.m	Fri May 20 15:46:45 2016 -0700
@@ -268,6 +268,7 @@
 endfunction
 
 function out = wordwrap (w)
+
   ncol = terminal_size ()(2);
   wc = ostrsplit (w, " ");
   out = "\n";
@@ -284,6 +285,7 @@
     i += 1;
   endwhile
   out = [out, "\n"];
+
 endfunction
 
 
--- a/scripts/miscellaneous/run.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/miscellaneous/run.m	Fri May 20 15:46:45 2016 -0700
@@ -84,6 +84,7 @@
     evalin ("caller", sprintf ("source ('%s');", script),
             "rethrow (lasterror ())");
   endif
+
 endfunction
 
 
--- a/scripts/miscellaneous/symvar.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/miscellaneous/symvar.m	Fri May 20 15:46:45 2016 -0700
@@ -40,6 +40,7 @@
 ## @end deftypefn
 
 function vars = symvar (str)
+
   vars = argnames (inline (str));
   ## Correct for auto-generated 'x' variable when no symvar was found.
   if (numel (vars) == 1 && strcmp (vars{1}, "x") && ! any (str == "x"))
--- a/scripts/miscellaneous/unpack.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/miscellaneous/unpack.m	Fri May 20 15:46:45 2016 -0700
@@ -290,14 +290,14 @@
 
 function files = __parse_gzip__ (output)
   ## Parse the output from gzip and gunzip returning the files
-  ## commpressed (or decompressed).
+  ## compressed (or decompressed).
 
   files = regexprep (output, '^.+ -- replaced with (.*)$', '$1');
 endfunction
 
 function files = __parse_bzip2__ (output)
   ## Parse the output from bzip2 and bunzip2 returning the files
-  ## commpressed (or decompressed).
+  ## compressed (or decompressed).
 
   ## Strip leading blanks and .bz2 extension from filename
   files = regexprep (output, '^\s+(.*)\.bz2: .*', '$1');
--- a/scripts/optimization/fminunc.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/optimization/fminunc.m	Fri May 20 15:46:45 2016 -0700
@@ -387,6 +387,7 @@
 
 ## A helper function that evaluates a function and checks for bad results.
 function [fx, gx] = guarded_eval (fun, x)
+
   if (nargout > 1)
     [fx, gx] = fun (x);
   else
@@ -401,6 +402,7 @@
   elseif (any (isinf (fx(:))))
     error ("fminunc:isinf", "fminunc: Inf value encountered");
   endif
+
 endfunction
 
 
@@ -437,6 +439,7 @@
 ## FIXME: handle singularity, or leave it up to mldivide?
 
 function x = __doglegm__ (r, g, d, delta)
+
   ## Get Gauss-Newton direction.
   b = r' \ g;
   x = r \ b;
@@ -468,5 +471,6 @@
     ## Form the appropriate convex combination.
     x = alpha * x + ((1-alpha) * min (snm, delta)) * s;
   endif
+
 endfunction
 
--- a/scripts/optimization/fsolve.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/optimization/fsolve.m	Fri May 20 15:46:45 2016 -0700
@@ -445,6 +445,7 @@
 ## An assistant function that evaluates a function handle and checks for
 ## bad results.
 function [fx, jx] = guarded_eval (fun, x, complexeqn)
+
   if (nargout > 1)
     [fx, jx] = fun (x);
   else
@@ -461,13 +462,16 @@
   elseif (any (isinf (fx(:))))
     error ("fsolve:isinf", "fsolve: Inf value encountered");
   endif
+
 endfunction
 
 function [fx, jx] = make_fcn_jac (x, fcn, fjac)
+
   fx = fcn (x);
   if (nargout == 2)
     jx = fjac (x);
   endif
+
 endfunction
 
 
@@ -587,6 +591,7 @@
 ## FIXME: handle singularity, or leave it up to mldivide?
 
 function x = __dogleg__ (r, b, d, delta)
+
   ## Get Gauss-Newton direction.
   x = r \ b;
   xn = norm (d .* x);
@@ -617,5 +622,6 @@
     ## Form the appropriate convex combination.
     x = alpha * x + ((1-alpha) * min (snm, delta)) * s;
   endif
+
 endfunction
 
--- a/scripts/optimization/optimset.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/optimization/optimset.m	Fri May 20 15:46:45 2016 -0700
@@ -115,7 +115,7 @@
 
 function retval = optimset (varargin)
 
-  nargs = nargin ();
+  nargs = nargin;
 
   opts = __all_opts__ ();
 
--- a/scripts/optimization/private/__fdjac__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/optimization/private/__fdjac__.m	Fri May 20 15:46:45 2016 -0700
@@ -22,6 +22,7 @@
 ## @end deftypefn
 
 function fjac = __fdjac__ (fcn, x, fvec, typicalx, cdif, err = 0)
+
   if (cdif)
     err = (max (eps, err)) ^ (1/3);
     h = typicalx*err;
@@ -42,7 +43,6 @@
       fjac(:,i) = (fcn (x1)(:) - fvec) / (x1(i) - x(i));
     endfor
   endif
+
 endfunction
 
-
-
--- a/scripts/optimization/sqp.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/optimization/sqp.m	Fri May 20 15:46:45 2016 -0700
@@ -554,8 +554,7 @@
 
 
 function [x_new, alpha, obj, globals] = ...
-      linesearch_L1 (x, p, obj_fun, obj_grd, ce_fun, ci_fun, lambda, ...
-                     obj, globals)
+   linesearch_L1 (x, p, obj_fun, obj_grd, ce_fun, ci_fun, lambda, obj, globals)
 
   ## Choose parameters
   ##
--- a/scripts/pkg/private/build.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/build.m	Fri May 20 15:46:45 2016 -0700
@@ -34,6 +34,7 @@
 ## @end deftypefn
 
 function build (builddir, tarballs, verbose)
+
   if (nargin != 3)
     print_usage ();
   endif
@@ -83,4 +84,5 @@
       chdir (init_wd);
     end_unwind_protect
   endfor
+
 endfunction
--- a/scripts/pkg/private/configure_make.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/configure_make.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function configure_make (desc, packdir, verbose)
+
   ## Perform ./configure, make, make install in "src".
   if (exist (fullfile (packdir, "src"), "dir"))
     src = fullfile (packdir, "src");
@@ -94,8 +95,8 @@
         error ("pkg: error running `make' for the %s package.", desc.name);
       endif
     endif
+  endif
 
-  endif
 endfunction
 
 ## Executes a shell command.  In the end it calls system() but in case of
@@ -133,4 +134,6 @@
   else
     [status, output] = system (cmd);
   endif
+
 endfunction
+
--- a/scripts/pkg/private/default_prefix.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/default_prefix.m	Fri May 20 15:46:45 2016 -0700
@@ -22,6 +22,7 @@
 ## @end deftypefn
 
 function [prefix, archprefix] = default_prefix (global_install, desc)
+
   if (global_install)
     prefix = fullfile (OCTAVE_HOME (), "share", "octave", "packages");
     if (nargin == 2)
@@ -35,5 +36,6 @@
     prefix = tilde_expand (fullfile ("~", "octave"));
     archprefix = prefix;
   endif
+
 endfunction
 
--- a/scripts/pkg/private/describe.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/describe.m	Fri May 20 15:46:45 2016 -0700
@@ -82,6 +82,7 @@
                                  flag{i}, verbose);
     endfor
   endif
+
 endfunction
 
 
@@ -135,11 +136,13 @@
     line = fgetl (fid);
   endwhile
   fclose (fid);
+
 endfunction
 
 
 function print_package_description (pkg_name, pkg_ver, pkg_idx_struct,
                                     pkg_desc, status, verbose)
+
   printf ("---\nPackage name:\n\t%s\n", pkg_name);
   printf ("Version:\n\t%s\n", pkg_ver);
   printf ("Short description:\n\t%s\n", pkg_desc);
@@ -155,4 +158,5 @@
       endif
     endfor
   endif
+
 endfunction
--- a/scripts/pkg/private/dirempty.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/dirempty.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function emp = dirempty (nm, ign)
+
   if (exist (nm, "dir"))
     if (nargin < 2)
       ign = {".", ".."};
@@ -47,5 +48,6 @@
   else
     emp = true;
   endif
+
 endfunction
 
--- a/scripts/pkg/private/get_description.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/get_description.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,7 @@
 
 ## Parse the DESCRIPTION file.
 function desc = get_description (filename)
+
   [fid, msg] = fopen (filename, "r");
   if (fid == -1)
     error ("the DESCRIPTION file %s could not be read: %s", filename, msg);
@@ -80,6 +81,7 @@
     desc.depends = "";
   endif
   desc.name = tolower (desc.name);
+
 endfunction
 
 
@@ -87,6 +89,7 @@
 ## This function returns a cell of structures with the following fields:
 ##   package, version, operator
 function deps_cell = fix_depends (depends)
+
   deps = strtrim (ostrsplit (tolower (depends), ","));
   deps_cell = cell (1, length (deps));
   dep_pat = ...
@@ -126,12 +129,13 @@
              dep);
     endif
   endfor
+
 endfunction
 
 function [valid] = is_valid_pkg_version_string (str)
   ## We are limiting ourselves to this set of characters because the
-  ## version will appear on the filepath.  The portable character, according
-  ## to http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_278
+  ## version will appear on the filepath.  The portable character, according to
+  ## http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_278
   ## is [A-Za-z0-9\.\_\-].  However, this is very limited.  We specially
   ## want to support a "+" so we can support "pkgname-2.1.0+" during
   ## development.  So we use Debian's character set for version strings
--- a/scripts/pkg/private/get_forge_download.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/get_forge_download.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,6 @@
 
 function [url, local_file] = get_forge_download (name)
   [ver, url] = get_forge_pkg (name);
-  local_file = [name, "-", ver, ".tar.gz"];
+  local_file = [name "-" ver ".tar.gz"];
 endfunction
 
--- a/scripts/pkg/private/get_unsatisfied_deps.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/get_unsatisfied_deps.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function bad_deps = get_unsatisfied_deps (desc, installed_pkgs_lst)
+
   bad_deps = {};
 
   ## For each dependency.
@@ -51,5 +52,6 @@
       endif
     endif
   endfor
+
 endfunction
 
--- a/scripts/pkg/private/getarch.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/getarch.m	Fri May 20 15:46:45 2016 -0700
@@ -25,6 +25,7 @@
 function arch = getarch ()
   persistent _arch = [__octave_config_info__("canonical_host_type"), "-", ...
                       __octave_config_info__("api_version")];
+
   arch = _arch;
 endfunction
 
--- a/scripts/pkg/private/install.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/install.m	Fri May 20 15:46:45 2016 -0700
@@ -299,10 +299,12 @@
     printf ("For information about changes from previous versions of the %s package, run 'news %s'.\n",
             desc.name, desc.name);
   endif
+
 endfunction
 
 
 function pkg = extract_pkg (nm, pat)
+
   fid = fopen (nm, "rt");
   pkg = "";
   if (fid >= 0)
@@ -320,21 +322,25 @@
     endif
     fclose (fid);
   endif
+
 endfunction
 
 
 ## Make sure the package contains the essential files.
 function verify_directory (dir)
+
   needed_files = {"COPYING", "DESCRIPTION"};
   for f = needed_files
     if (! exist (fullfile (dir, f{1}), "file"))
       error ("package is missing file: %s", f{1});
     endif
   endfor
+
 endfunction
 
 
 function prepare_installation (desc, packdir)
+
   ## Is there a pre_install to call?
   if (exist (fullfile (packdir, "pre_install.m"), "file"))
     wd = pwd ();
@@ -358,10 +364,12 @@
              msg);
     endif
   endif
+
 endfunction
 
 
 function copy_built_files (desc, packdir, verbose)
+
   src = fullfile (packdir, "src");
   if (! exist (src, "dir"))
     return
@@ -445,6 +453,7 @@
         endif
       endif
   endif
+
 endfunction
 
 
@@ -469,10 +478,12 @@
       break;
     endif
   endfor
+
 endfunction
 
 
 function copy_files (desc, packdir, global_install)
+
   ## Create the installation directory.
   if (! exist (desc.dir, "dir"))
     [status, output] = mkdir (desc.dir);
@@ -589,10 +600,12 @@
   if (exist (bindir, "dir") && ! dirempty (bindir))
     [status, output] = copyfile (bindir, desc.dir);
   endif
+
 endfunction
 
 
 function packinfo_copy_file (filename, requirement, packdir, packinfo, desc, octfiledir)
+
   filepath = fullfile (packdir, filename);
   if (! exist (filepath, "file") && strcmpi (requirement, "optional"))
     ## do nothing, it's still OK
@@ -604,6 +617,7 @@
       error ("Couldn't copy %s file: %s", filename, output);
     endif
   endif
+
 endfunction
 
 
@@ -612,6 +626,7 @@
 ##   'dir'   is the 'inst' directory in temporary directory.
 ##   'index_file' is the name (including path) of resulting INDEX file.
 function write_index (desc, dir, index_file, global_install)
+
   ## Get names of functions in dir
   [files, err, msg] = readdir (dir);
   if (err)
@@ -672,10 +687,12 @@
   fprintf (fid, "%s\n", categories{1});
   fprintf (fid, "  %s\n", functions{:});
   fclose (fid);
+
 endfunction
 
 
 function create_pkgadddel (desc, packdir, nm, global_install)
+
   instpkg = fullfile (desc.dir, nm);
   instfid = fopen (instpkg, "at"); # append to support PKG_ADD at inst/
   ## If it is exists, most of the PKG_* file should go into the
@@ -738,19 +755,23 @@
       endif
     endif
   endif
+
 endfunction
 
 
 function archprefix = getarchprefix (desc, global_install)
+
   if (global_install)
     [~, archprefix] = default_prefix (global_install, desc);
   else
     archprefix = desc.dir;
   endif
+
 endfunction
 
 
 function finish_installation (desc, packdir, global_install)
+
   ## Is there a post-install to call?
   if (exist (fullfile (packdir, "post_install.m"), "file"))
     wd = pwd ();
@@ -765,12 +786,16 @@
       rethrow (lasterror ());
     end_try_catch
   endif
+
 endfunction
 
 
 function generate_lookfor_cache (desc)
+
   dirs = strtrim (ostrsplit (genpath (desc.dir), pathsep ()));
   for i = 1 : length (dirs)
     doc_cache_create (fullfile (dirs{i}, "doc-cache"), dirs{i});
   endfor
+
 endfunction
+
--- a/scripts/pkg/private/installed_packages.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/installed_packages.m	Fri May 20 15:46:45 2016 -0700
@@ -148,4 +148,5 @@
       printf (format, cur_name, cur_loaded, cur_version, cur_dir);
     endfor
   endif
+
 endfunction
--- a/scripts/pkg/private/list_forge_packages.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/list_forge_packages.m	Fri May 20 15:46:45 2016 -0700
@@ -23,12 +23,14 @@
 ## @end deftypefn
 
 function list = list_forge_packages ()
+
   [list, succ] = urlread ("http://packages.octave.org/list_packages.php");
-  if (succ)
-    list = ostrsplit (list, " \n\t", true);
-  else
+  if (! succ)
     error ("pkg: could not read URL, please verify internet connection");
   endif
+
+  list = ostrsplit (list, " \n\t", true);
+
   if (nargout == 0)
     page_screen_output (false, "local");
     puts ("OctaveForge provides these packages:\n");
@@ -41,5 +43,6 @@
       printf ("  %s %s\n", list{i}, ver);
     endfor
   endif
+
 endfunction
 
--- a/scripts/pkg/private/load_packages.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/load_packages.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function load_packages (files, handle_deps, local_list, global_list)
+
   installed_pkgs_lst = installed_packages (local_list, global_list);
   num_packages = length (installed_pkgs_lst);
 
@@ -49,5 +50,6 @@
 
   ## Load the packages, but take care of the ordering of dependencies.
   load_packages_and_dependencies (idx, handle_deps, installed_pkgs_lst, true);
+
 endfunction
 
--- a/scripts/pkg/private/load_packages_and_dependencies.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/load_packages_and_dependencies.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,7 @@
 
 function load_packages_and_dependencies (idx, handle_deps, installed_pkgs_lst,
                                          global_install)
+
   idx = load_package_dirs (idx, [], handle_deps, installed_pkgs_lst);
   dirs = {};
   execpath = EXEC_PATH ();
@@ -51,10 +52,12 @@
   if (! strcmp (EXEC_PATH, execpath))
     EXEC_PATH (execpath);
   endif
+
 endfunction
 
 
 function idx = load_package_dirs (lidx, idx, handle_deps, installed_pkgs_lst)
+
   for i = lidx
     if (isfield (installed_pkgs_lst{i}, "loaded")
         && installed_pkgs_lst{i}.loaded)
@@ -86,4 +89,6 @@
       endif
     endif
   endfor
+
 endfunction
+
--- a/scripts/pkg/private/rebuild.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/rebuild.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function descriptions = rebuild (prefix, archprefix, list, files, verbose)
+
   if (isempty (files))
     [dirlist, err, msg] = readdir (prefix);
     if (err)
@@ -40,6 +41,7 @@
       cd (wd);
     end_unwind_protect
   endif
+
   descriptions = {};
   for k = 1:length (dirlist)
     descfile = fullfile (prefix, dirlist{k}, "packinfo", "DESCRIPTION");
@@ -79,5 +81,6 @@
       descriptions(dup) = [];
     endif
   endif
+
 endfunction
 
--- a/scripts/pkg/private/save_order.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/save_order.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function newdesc = save_order (desc)
+
   newdesc = {};
   for i = 1 : length (desc)
     deps = desc{i}.depends;
@@ -46,6 +47,7 @@
       endif
     endif
   endfor
+
   ## Eliminate the duplicates.
   idx = [];
   for i = 1 : length (newdesc)
@@ -56,5 +58,6 @@
     endfor
   endfor
   newdesc(idx) = [];
+
 endfunction
 
--- a/scripts/pkg/private/uninstall.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/uninstall.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,7 @@
 
 function uninstall (pkgnames, handle_deps, verbose, local_list,
                     global_list, global_install)
+
   ## Get the list of installed packages.
   [local_packages, global_packages] = installed_packages(local_list,
                                                          global_list);
--- a/scripts/pkg/private/unload_packages.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/pkg/private/unload_packages.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 ## @end deftypefn
 
 function unload_packages (files, handle_deps, local_list, global_list)
+
   installed_pkgs_lst = installed_packages (local_list, global_list);
   num_packages = length (installed_pkgs_lst);
 
@@ -76,5 +77,6 @@
       ## FIXME: We should also check if we need to remove items from EXEC_PATH.
     endif
   endfor
+
 endfunction
 
--- a/scripts/plot/appearance/annotation.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/annotation.m	Fri May 20 15:46:45 2016 -0700
@@ -529,6 +529,7 @@
 endfunction
 
 function props = lineprops (varargin)
+
   ## FIXME: Use "axesx(y)lim" instead of "linex(y)data"
   props = {"color", "color", [0 0 0], ...
            "linestyle",  "linelinestyle", "-", ...
@@ -538,6 +539,7 @@
   if (strcmp (varargin, "names"))
     props = props(1:3:end);
   endif
+
 endfunction
 
 function col = basecolors ()
@@ -546,13 +548,13 @@
 endfunction
 
 function linemenu (hui, hpar)
+
   hm = uimenu ("parent", hui, "label", "Line");
 
   ## Color
   vals = basecolors ();
   addbasemenu (hm, hpar, "Color", vals);
 
-
   ## Linestyle
   vals = set (hpar, "linestyle");
   addbasemenu (hm, hpar, "Linestyle", vals);
@@ -560,18 +562,22 @@
   ## Linewidth
   vals = [0.5 1 1.5 2];
   addbasemenu (hm, hpar, "Linewidth", vals);
+
 endfunction
 
 function props = arrowprops (varargin)
+
   props = {"headlength", "data", 10, ...
            "headstyle",  "radio", "diamond|ellipse|none|plain|rectangle|vback1|{vback2}|vback3", ...
            "headwidth",  "data", 10};
   if (strcmp (varargin, "names"))
     props = props(1:3:end);
   endif
+
 endfunction
 
 function arrowmenu (hui, hpar)
+
   hm = uimenu ("parent", hui, "label", "Arrowhead");
 
   ## Headlength/width
@@ -582,9 +588,11 @@
   ## Headstyle
   vals = set (hpar, "headstyle");
   addbasemenu (hm, hpar, "Headstyle", vals);
+
 endfunction
 
 function props = dblarrowprops (varargin)
+
   props = {"head1length", "data", 10, ...
            "head1style",  "radio", "diamond|ellipse|none|plain|rectangle|vback1|{vback2}|vback3", ...
            "head1width",  "data", 10, ...
@@ -594,9 +602,11 @@
   if (strcmp (varargin, "names"))
     props = props(1:3:end);
   endif
+
 endfunction
 
 function dblarrowmenu (hui, hpar)
+
   hm1 = uimenu ("parent", hui, "label", "Arrowhead #1");
   hm2 = uimenu ("parent", hui, "label", "Arrowhead #2");
 
@@ -611,9 +621,11 @@
   vals = set (hpar, "head1style");
   addbasemenu (hm1, hpar, "head1style", vals, "Headstyle");
   addbasemenu (hm2, hpar, "head2style", vals, "Headstyle");
+
 endfunction
 
 function props = textprops (varargin)
+
   props = {"fontangle", "textfontangle", "normal", ...
            "fontname",  "textfontname", "Helvetica", ...
            "fontsize", "textfontsize", 10, ...
@@ -632,9 +644,11 @@
   if (strcmp (varargin, "names"))
     props = props(1:3:end);
   endif
+
 endfunction
 
 function stringdlg (hpar, prop)
+
   def = get (hpar, prop);
   if (iscell (def))
     prompt = arrayfun (@(n) sprintf ("Line #%d:", n), 1:numel (def),
@@ -649,9 +663,11 @@
   if (! isempty (cstr))
     set (hpar, prop, cstr);
   endif
+
 endfunction
 
 function textmenu (hui, hpar)
+
   hm = uimenu ("parent", hui, "label", "Text");
 
   ## String;
@@ -694,6 +710,7 @@
 endfunction
 
 function props = textboxprops (varargin)
+
   props = {"backgroundcolor", "patchfacecolor", "none", ...
            "color", "textcolor", [0 0 0], ...
            "edgecolor", "patchedgecolor", [0 0 0], ...
@@ -714,9 +731,11 @@
   if (strcmp (varargin, "names"))
     props = props(1:3:end);
   endif
+
 endfunction
 
 function textboxmenu (hui, hpar)
+
   ## Text properties
   hm1 = uimenu ("parent", hui, "label", "Text");
 
@@ -771,9 +790,11 @@
   prop = "linewidth";
   vals = 0.5:.5:2;
   addbasemenu (hm2, hpar, prop, vals, "Line Width");
+
 endfunction
 
 function props = rectprops (varargin)
+
   props = {"edgecolor", "patchedgecolor", "k", ...
            "facealpha", "patchfacealpha", 1, ...
            "facecolor", "patchfacecolor", "none", ...
@@ -782,9 +803,11 @@
   if (strcmp (varargin, "names"))
     props = props(1:3:end);
   endif
+
 endfunction
 
 function rectmenu (hui, hpar)
+
   prop = "facecolor";
   vals = basecolors ();
   addbasemenu (hui, hpar, prop, vals, "Face Color");
@@ -797,6 +820,7 @@
   prop = "linewidth";
   vals = 0.5:.5:2;
   addbasemenu (hui, hpar, prop, vals, "Line Width");
+
 endfunction
 
 function addbaseprops (h, proptable)
@@ -805,6 +829,7 @@
 endfunction
 
 function addbasemenu (hm, hpar, pname, vals, mainlabel = "" )
+
   if (isempty (mainlabel))
     mainlabel = pname;
   endif
@@ -825,11 +850,14 @@
     fcn = @() set (hpar, pname, val);
     htmp(ii) = uimenu (h, "label", label, "callback", fcn);
   endfor
+
   handle_check (hpar, {}, htmp, pname, is_numeric);
   addlistener (hpar, pname, {@handle_check, htmp, pname, is_numeric});
+
 endfunction
 
 function handle_check (h, dummy, hmenus, prop, is_numeric)
+
   vals = get (hmenus, "label");
   current = get (h, prop);
   if (is_numeric)
@@ -839,9 +867,11 @@
   idx = strcmp (vals, current);
   set (hmenus(idx), "checked", "on");
   set (hmenus(! idx), "checked", "off");
+
 endfunction
 
 function update_position (h1, dummy, h, force = false)
+
   if (! force)
     pos = convertposition (h, getappdata (h, "__former_units__"),
                            get (h, "units"));
@@ -852,11 +882,12 @@
     set (h, "position", [0 0 .5 .5],
          "position", get (h, "position"));
   endif
+
 endfunction
 
-
 function update_line (h, dummy, prop, hli)
   persistent recursive = false;
+
   if (! recursive)
     switch (prop)
       case "color"
@@ -914,9 +945,11 @@
 
     endswitch
   endif
+
 endfunction
 
 function [x, y] = arrowcoordinates (h, nar = [])
+
   pos = getnormpos (h);
   ppos = norm2pts (h, pos(3:4).');
   ang = angle (complex (ppos(1), ppos(2)));
@@ -979,6 +1012,7 @@
 
   x = XY(1,:).';
   y = XY(2,:).';
+
 endfunction
 
 function update_arrow (h, dummy, prop, hpa = [])
@@ -1000,6 +1034,7 @@
       endswitch
     endif
   endfor
+
 endfunction
 
 function update_text (h, dummy, prop, hte)
@@ -1024,6 +1059,7 @@
         endif
     endswitch
   endif
+
 endfunction
 
 function update_textbox (h, dummy, prop, htb)
@@ -1204,11 +1240,11 @@
 endfunction
 
 function [x, y] = pos2ell (pos)
+
   a = pos(3)/2;
   b = pos(4)/2;
 
-  ## Arbitrarily use 100 points
-  ## when it is spread over
+  ## Arbitrarily use 100 points when it is spread over
   ang = linspace (0, 2*pi, 100);
 
   x = a * cos (ang);
@@ -1216,6 +1252,7 @@
 
   x += pos(1) + a;
   y += pos(2) + b;
+
 endfunction
 
 function update_rect (h, dummy, prop, hre, typ)
@@ -1236,10 +1273,11 @@
         set (hre, prop, get (h, prop));
     endswitch
   endif
+
 endfunction
 
 
-## FIXME: the additionnal regular axes is necessary for fltk to draw the
+## FIXME: the additional regular axes is necessary for fltk to draw the
 ##        annotation axes.
 %!demo
 %! clf; axes ('visible', 'off');
--- a/scripts/plot/appearance/datetick.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/datetick.m	Fri May 20 15:46:45 2016 -0700
@@ -271,12 +271,13 @@
                    [ax "lim"], [min(ticks), max(ticks)]);
     endif
   endif
+
 endfunction
 
 function [a, b] = __magform__ (x)
+
   if (x == 0)
-    a = 0;
-    b = 0;
+    a = b = 0;
   else
     l = log10 (abs (x));
     r = rem (l, 1);
@@ -290,6 +291,7 @@
       a = -a;
     endif
   endif
+
 endfunction
 
 ## A translation from Tom Holoryd's python code at
@@ -317,6 +319,8 @@
   else
     x = 10;
   endif
+
   sep = x * 10 .^ b;
+
 endfunction
 
--- a/scripts/plot/appearance/legend.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/legend.m	Fri May 20 15:46:45 2016 -0700
@@ -1104,6 +1104,7 @@
 endfunction
 
 function updatelegendtext (h, ~)
+
   kids = get (h, "children");
   htext = [];
   for i = 1:numel (kids)
@@ -1118,9 +1119,11 @@
 
   ec = get (h, "edgecolor");
   set (h, "xcolor", ec, "ycolor", ec);
+
 endfunction
 
 function hideshowlegend (h, ~, ca, pos1, pos2)
+
   isvisible = strcmp (get (h, "visible"), "off");
   if (! isvisible)
     kids = get (h, "children");
@@ -1146,6 +1149,7 @@
       end_unwind_protect
     endif
   endfor
+
 endfunction
 
 function deletelegend1 (h, ~, hlegend)
@@ -1157,6 +1161,7 @@
 endfunction
 
 function deletelegend2 (h, ~, ca, pos, outpos, t1, hplots)
+
   for i = 1 : numel (ca)
     if (isaxes (ca(i))
         && (isempty (gcbf ()) || strcmp (get (gcbf (), "beingdeleted"), "off"))
@@ -1172,10 +1177,12 @@
       endif
     endif
   endfor
+
   if (ishandle (t1))
     set (t1, "deletefcn", "");
     delete (t1);
   endif
+
   for i = 1 : numel (hplots)
     if (ishandle (hplots(i)) && strcmp (get (hplots(i), "type"), "line"))
       dellistener (hplots(i), "color");
@@ -1188,6 +1195,7 @@
       dellistener (hplots(i), "displayname");
     endif
   endfor
+
 endfunction
 
 function updateline (h, ~, hlegend, linelength, update_name)
@@ -1245,6 +1253,7 @@
             "userdata", h, "parent", hlegend);
     endif
   endif
+
 endfunction
 
 
--- a/scripts/plot/appearance/whitebg.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/whitebg.m	Fri May 20 15:46:45 2016 -0700
@@ -38,6 +38,7 @@
 ## @end deftypefn
 
 function whitebg (varargin)
+
   h = 0;
   color = NaN;
 
@@ -133,8 +134,7 @@
       endif
     endfor
   else
-    ## FIXME
-    ## Is this the right thing to do in this case?
+    ## FIXME: Is this the right thing to do in this case?
     set (findall (fig, "type", "axes"), "color", color);
     if (isroot)
       defs = get (0, "default");
@@ -144,6 +144,7 @@
       endif
     endif
   endif
+
 endfunction
 
 
--- a/scripts/plot/appearance/xlim.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/xlim.m	Fri May 20 15:46:45 2016 -0700
@@ -43,11 +43,13 @@
 ## @end deftypefn
 
 function retval = xlim (varargin)
+
   ret = __axis_limits__ ("xlim", varargin{:});
 
   if (! isempty (ret))
     retval = ret;
   endif
+
 endfunction
 
 
--- a/scripts/plot/appearance/ylim.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/ylim.m	Fri May 20 15:46:45 2016 -0700
@@ -43,11 +43,13 @@
 ## @end deftypefn
 
 function retval = ylim (varargin)
+
   ret = __axis_limits__ ("ylim", varargin{:});
 
   if (! isempty (ret))
     retval = ret;
   endif
+
 endfunction
 
 
--- a/scripts/plot/appearance/zlim.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/appearance/zlim.m	Fri May 20 15:46:45 2016 -0700
@@ -43,11 +43,13 @@
 ## @end deftypefn
 
 function retval = zlim (varargin)
+
   ret = __axis_limits__ ("zlim", varargin{:});
 
   if (! isempty (ret))
     retval = ret;
   endif
+
 endfunction
 
 
--- a/scripts/plot/draw/area.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/area.m	Fri May 20 15:46:45 2016 -0700
@@ -187,11 +187,13 @@
 endfunction
 
 function update_props (h, d)
+
   kids = get (h, "children");
   set (kids, "edgecolor", get (h, "edgecolor"),
              "facecolor", get (h, "facecolor"),
              "linestyle", get (h, "linestyle"),
              "linewidth", get (h, "linewidth"));
+
 endfunction
 
 function move_baseline (h, d)
@@ -217,9 +219,11 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function update_data (h, d)
+
   hlist = get (h, "areagroup");
   bv = get (h, "basevalue");
   for i = 1 : length (hlist)
@@ -237,6 +241,7 @@
 
     y0 = y1;
   endfor
+
 endfunction
 
 
--- a/scripts/plot/draw/colorbar.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/colorbar.m	Fri May 20 15:46:45 2016 -0700
@@ -254,8 +254,8 @@
 endfunction
 
 function deletecolorbar (h, d, hc, orig_props)
-  ## Don't delete the colorbar and reset the axis size if the
-  ## parent figure is being deleted.
+  ## Don't delete the colorbar and reset the axis size
+  ## if the parent figure is being deleted.
   if (isaxes (hc)
       && (isempty (gcbf ()) || strcmp (get (gcbf (), "beingdeleted"), "off")))
     if (strcmp (get (hc, "beingdeleted"), "off"))
@@ -272,9 +272,11 @@
       set (ax, "units", units);
     endif
   endif
+
 endfunction
 
 function resetaxis (cax, d, ax, orig_props)
+
   if (isaxes (ax))
     ## FIXME: Probably don't want to delete everyone's listeners on colormap.
     dellistener (ancestor (ax, "figure"), "colormap");
@@ -292,9 +294,11 @@
              "activepositionproperty", orig_props.activepositionproperty);
     set (ax, "units", units);
   endif
+
 endfunction
 
 function update_colorbar_clim (hax, d, hi, vert)
+
   if (isaxes (hax)
       && (isempty (gcbf ()) || strcmp (get (gcbf (), "beingdeleted"), "off")))
     clen = rows (get (ancestor (hax, "figure"), "colormap"));
@@ -312,6 +316,7 @@
       set (hiax, "xlim", cext);
     endif
   endif
+  
 endfunction
 
 function update_colorbar_cmap (hf, d, hi, vert, init_sz)
@@ -331,9 +336,11 @@
       update_colorbar_clim (get (hi, "parent"), d, hi, vert);
     endif
   endif
+
 endfunction
 
 function update_colorbar_axis (h, d, cax, orig_props)
+
   if (isaxes (cax)
       && (isempty (gcbf ()) || strcmp (get (gcbf (), "beingdeleted"),"off")))
     loc = get (cax, "location");
@@ -363,6 +370,7 @@
     endif
 
   endif
+
 endfunction
 
 function [pos, cpos, vertical, mirr] = __position_colorbox__ (cbox, obj, cf)
--- a/scripts/plot/draw/fill.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/fill.m	Fri May 20 15:46:45 2016 -0700
@@ -146,6 +146,7 @@
 endfunction
 
 function retval = iscolorspec (arg)
+
   retval = false;
   if (ischar (arg))
     persistent colors = {"y", "yellow", "r", "red", "m", "magenta", ...
@@ -159,6 +160,7 @@
     ## Let patch worry about the multple different input formats.
     retval = true;
   endif
+
 endfunction
 
 
--- a/scripts/plot/draw/isocolors.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/isocolors.m	Fri May 20 15:46:45 2016 -0700
@@ -100,6 +100,7 @@
 ## Author: Martin Helm <martin@mhelm.de>
 
 function varargout = isocolors (varargin)
+
   calc_rgb = false;
   switch (nargin)
     case 2
@@ -135,6 +136,7 @@
     otherwise
       print_usage ();
   endswitch
+
   if (isnumeric (vp) && columns (vp) == 3)
     pa = [];
     v = vp;
@@ -144,6 +146,7 @@
   else
     error ("isocolors: last argument is not a vertex list or patch handle");
   endif
+
   if (calc_rgb)
     new_col = zeros (rows (v), 3);
     new_col(:,1) = __interp_cube__ (x, y, z, R, v, "values" );
@@ -152,6 +155,8 @@
   else
     new_col = __interp_cube__ (x, y, z, c, v, "values" );
   endif
+
+  ## FIXME: No reason to actually error out if an extra argout is used.
   switch (nargout)
     case 0
       if (! isempty (pa))
@@ -162,6 +167,7 @@
     otherwise
       print_usage ();
   endswitch
+
 endfunction
 
 
--- a/scripts/plot/draw/isonormals.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/isonormals.m	Fri May 20 15:46:45 2016 -0700
@@ -98,6 +98,7 @@
 ## Author: Martin Helm <martin@mhelm.de>
 
 function varargout = isonormals (varargin)
+
   na = nargin;
   negate = false;
   if (ischar (varargin{nargin}))
@@ -108,6 +109,7 @@
       error ("isonormals: Unknown option '%s'", varargin{nargin});
     endif
   endif
+
   switch (na)
     case 2
       c = varargin{1};
@@ -124,6 +126,7 @@
     otherwise
       print_usage ();
   endswitch
+
   if (isnumeric (vp) && columns (vp) == 3)
     pa = [];
     v = vp;
@@ -133,11 +136,13 @@
   else
     error ("isonormals: Last argument is not a vertex list or a patch handle");
   endif
+
   if (negate)
     normals = -__interp_cube__ (x, y, z, c, v, "normals");
   else
     normals = __interp_cube__ (x, y, z, c, v, "normals");
   endif
+
   switch (nargout)
     case 0
       if (! isempty (pa))
@@ -148,6 +153,7 @@
     otherwise
       print_usage ();
   endswitch
+
 endfunction
 
 
--- a/scripts/plot/draw/plotmatrix.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/plotmatrix.m	Fri May 20 15:46:45 2016 -0700
@@ -114,6 +114,7 @@
 
 
 function plotmatrixdelete (h, d, ax)
+
   for i = 1 : numel (ax)
     hc = ax(i);
     if (isaxes (hc) && strcmpi (get (hc, "beingdeleted"), "off"))
@@ -124,9 +125,11 @@
       endif
     endif
   endfor
+
 endfunction
 
 function [h, ax, p, pax] = __plotmatrix__ (bigax, varargin)
+
   have_line_spec = false;
   have_hist = false;
   parent = get (bigax, "parent");
@@ -198,5 +201,6 @@
       endif
     endfor
   endfor
+
 endfunction
 
--- a/scripts/plot/draw/plotyy.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/plotyy.m	Fri May 20 15:46:45 2016 -0700
@@ -191,6 +191,7 @@
   else
     error ("plotyy.m: This shouldn't happen.  File a bug report.");
   endif
+
 endfunction
 
 function deleteplotyy (h, ~, ax2, t2)
@@ -204,6 +205,7 @@
 
 function update_nextplot (h, ~, ax2)
   persistent recursion = false;
+
   if (! recursion)
     unwind_protect
       recursion = true;
@@ -212,6 +214,7 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function update_position (h, ~, ax2)
@@ -252,9 +255,11 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function color = getcolor (ax)
+
   obj = get (ax);
   if (isfield (obj, "color"))
     color = obj.color;
@@ -265,6 +270,7 @@
   else
     color = [0, 0, 0];
   endif
+
 endfunction
 
 
--- a/scripts/plot/draw/polar.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/polar.m	Fri May 20 15:46:45 2016 -0700
@@ -158,9 +158,9 @@
   ## FIXME: workaround: calculate r(ho)tick from xtick
   ##        It would be better to just calculate the values,
   ##        but that code is deep in the C++ for the plot engines.
-  savexlim = get (hax, "xlim");
-  saveylim = get (hax, "ylim");
+  saved_lims = get (hax, {"xlim", "ylim"});
   set (hax, "xlim", [-maxr maxr], "ylim", [-maxr maxr]);
+
   xtick = get (hax, "xtick");
   minidx = find (xtick > 0, 1);
   maxidx = find (xtick >= maxr, 1);
@@ -171,7 +171,9 @@
     rtick = xtick(minidx:end);
     rtick(end+1) = xtick(end) + diff (xtick(end-1:end));
   endif
-  set (hax, "xlim", savexlim, "ylim", saveylim);
+
+  set (hax, {"xlim", "ylim"}, saved_lims);
+
 endfunction
 
 function retval = __plr1__ (h, theta, fmt)
@@ -194,6 +196,7 @@
   if (ndims (theta) > 2 || ndims (rho) > 2)
     error ("polar: THETA and RHO must be 2-D objects");
   endif
+
   theta = real (theta);
   rho = real (rho);
 
@@ -310,6 +313,7 @@
   unwind_protect_cleanup
     set (0, "showhiddenhandles", shh);
   end_unwind_protect
+
 endfunction
 
 function __update_polar_grid__ (hax, ~, hg)
--- a/scripts/plot/draw/private/__bar__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__bar__.m	Fri May 20 15:46:45 2016 -0700
@@ -342,6 +342,7 @@
 endfunction
 
 function update_xlim (h, ~)
+
   kids = get (h, "children");
   xlim = get (h, "xlim");
 
@@ -353,9 +354,11 @@
       endif
     endif
   endfor
+
 endfunction
 
 function update_baseline (h, ~)
+
   visible = get (h, "visible");
   ydata = get (h, "ydata")(1);
 
@@ -369,6 +372,7 @@
       break;
     endif
   endfor
+
 endfunction
 
 function show_baseline (h, ~, prop = "")
@@ -394,6 +398,7 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function move_baseline (h, ~)
@@ -414,6 +419,7 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function update_props (h, ~)
@@ -459,6 +465,7 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function update_group (h, ~)
@@ -481,5 +488,6 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
--- a/scripts/plot/draw/private/__contour__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__contour__.m	Fri May 20 15:46:45 2016 -0700
@@ -22,6 +22,7 @@
 ## @end deftypefn
 
 function [c, hg] = __contour__ (varargin)
+
   ax = varargin{1};
   zlevel = varargin{2};
   filled = "off";
@@ -206,6 +207,7 @@
 endfunction
 
 function add_patch_children (hg)
+
   c = get (hg, "contourmatrix");
   lev = get (hg, "levellist");
   fill = get (hg, "fill");
@@ -379,6 +381,7 @@
 endfunction
 
 function update_zlevel (h, ~)
+
   z = get (h, "zlevel");
   zmode = get (h, "zlevelmode");
   kids = get (h, "children");
@@ -396,15 +399,18 @@
         set (kids(i), "zdata", z .* ones (size (get (kids(i), "xdata"))));
       endfor
   endswitch
+
 endfunction
 
 function update_line (h, ~)
+
   lc = get (h, "linecolor");
   if (strcmp (lc, "auto"))
     lc = "flat";
   endif
   set (findobj (h, "type", "patch"), "edgecolor", lc,
        "linewidth", get (h, "linewidth"), "linestyle", get (h, "linestyle"));
+
 endfunction
 
 function update_data (h, ~, prop = "")
@@ -540,9 +546,11 @@
 
     recursive = false;
   endif
+
 endfunction
 
 function lvl_eps = get_lvl_eps (lev)
+
   ## FIXME: is this the right thing to do for this tolerance?  Should
   ## it be an absolute or relative tolerance, or switch from one to the
   ## other depending on the value of lev?
@@ -556,5 +564,6 @@
       lvl_eps = tmp / 1000.0;
     endif
   endif
+
 endfunction
 
--- a/scripts/plot/draw/private/__errplot__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__errplot__.m	Fri May 20 15:46:45 2016 -0700
@@ -283,6 +283,7 @@
 function [xdata, ydata] = errorbar_data (xdata, ydata, ldata, udata,
                                          xldata, xudata, ifmt,
                                          xscale, yscale)
+
   if (strcmp (xscale, "linear"))
     dx = 0.01 * (max (xdata(:)) - min (xdata(:)));
     if (dx == 0)
@@ -317,6 +318,7 @@
     ylo = ydata/ry;
     yhi = ydata*ry;
   endif
+
   nans = NaN + xdata(:);  # fast way to do NaN (size (xdata(:)))
   if (strcmp (ifmt, "yerr"))
     xdata = [xdata, xdata, nans, ...
@@ -365,6 +367,7 @@
 endfunction
 
 function update_props (hg, ~, hl)
+
   set (hl, "color", get (hg, "color"),
            "linewidth", get (hg, "linewidth"));
   set (hl(2), "linestyle", get (hg, "linestyle"),
@@ -372,6 +375,7 @@
               "markeredgecolor", get (hg, "markeredgecolor"),
               "markerfacecolor", get (hg, "markerfacecolor"),
               "markersize", get (hg, "markersize"));
+
 endfunction
 
 function update_data (hg, ~, hl)
--- a/scripts/plot/draw/private/__interp_cube__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__interp_cube__.m	Fri May 20 15:46:45 2016 -0700
@@ -24,6 +24,7 @@
 ## @end deftypefn
 
 function [Vxyz, idx, frac] = __interp_cube__ (x, y, z, val, v, req = "values" )
+
   if (isnumeric (x) && ndims (x) == 3 && isnumeric (y) && ndims (y) == 3
        && isnumeric (z) && ndims (z) == 3 && size_equal (x, y, z, val))
     x = squeeze (x(1,:,1))(:);
@@ -36,6 +37,7 @@
   else
     error ("__interp_cube__: X, Y, Z have wrong dimensions");
   endif
+
   if (size (val) != [length(x), length(y), length(z)])
     error ("__interp_cube__: VAL has wrong dimensions");
   endif
@@ -43,8 +45,9 @@
     error ( "V has to be Nx3 matrix");
   endif
   ##if (! ischar (req))
-  ## error ('__interp_cube__: Invalid request parameter use "values", "normals" or "normals8"');
+  ##  error ('__interp_cube__: Invalid request parameter use "values", "normals" or "normals8"');
   ##endif
+
   if (isempty (v))
     Vxyz = idx = frac = [];
     return;
@@ -99,9 +102,11 @@
    otherwise
      error ('__interp_cube__: Invalid request type "%s", use "values", "normals" or "normals8"', req);
   endswitch
+
 endfunction
 
 function [Vxyz, idx, frac] = interp_cube_trilin (x, y, z, val, v)
+
   [idx, frac] = cube_idx (x(:), y(:), z(:), v);
   sval = size (val);
   i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3));
@@ -124,9 +129,11 @@
     val( i101 ) .* Bx .* (1 .- By) .* Bz .+ ...
     val( i110 ) .* Bx .* By .* (1 .- Bz) .+ ...
     val( i111 ) .* Bx .* By .* Bz;
+
 endfunction
 
 function [Dx, Dy, Dz, idx, frac] = interp_cube_trilin_grad (x, y, z, val, v)
+
   [idx, frac] = cube_idx (x(:), y(:), z(:), v);
   sval = size (val);
   i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3));
@@ -167,9 +174,11 @@
     val( i101 ) .* Bx .* (1 .- By) .+ ...
     val( i110 ) .* Bx .* By .* -1 .+ ...
     val( i111 ) .* Bx .* By;
+
 endfunction
 
 function [idx, frac] = cube_idx (x, y, z, v)
+
   idx = zeros (size (v));
   frac = zeros (size (v));
   idx(:, 2) = lookup (x(2:end-1), v(:, 1)) + 1;
@@ -181,5 +190,6 @@
   idx(:, 3) = lookup (z(2:end-1), v(:, 3)) + 1;
   frac(:, 3) = (v(:, 3) - z(idx(:, 3))) ...
       ./ (z(idx(:, 3)+1) - z(idx(:, 3)));
+
 endfunction
 
--- a/scripts/plot/draw/private/__marching_cube__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__marching_cube__.m	Fri May 20 15:46:45 2016 -0700
@@ -204,10 +204,11 @@
       endif
     endif
   endfor
+
 endfunction
 
-function p = vertex_interp (isolevel,p1x, p1y, p1z,...
-  p2x, p2y, p2z,valp1,valp2, col1, col2)
+function p = vertex_interp (isolevel, p1x, p1y, p1z, ...
+                            p2x, p2y, p2z,valp1,valp2, col1, col2)
 
   if (nargin == 9)
     p = zeros (length (p1x), 3);
@@ -216,7 +217,7 @@
   else
     error ("__marching_cube__: wrong number of arguments");
   endif
-  mu = zeros (length (p1x), 1);
+
   id = abs (valp1-valp2) < (10*eps) .* (abs (valp1) .+ abs (valp2));
   if (any (id))
     p(id, 1:3) = [ p1x(id), p1y(id), p1z(id) ];
@@ -224,6 +225,8 @@
       p(id, 4) = col1(id);
     endif
   endif
+
+  mu = zeros (length (p1x), 1);
   nid = ! id;
   if (any (nid))
     mu(nid) = (isolevel - valp1(nid)) ./ (valp2(nid) - valp1(nid));
@@ -234,9 +237,11 @@
       p(nid, 4) = col1(nid) + mu(nid) .* (col2(nid) - col1(nid));
     endif
   endif
+
 endfunction
 
 function [edge_table, tri_table] = init_mc ()
+
   edge_table = [
   0x0  , 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, ...
   0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00, ...
@@ -528,5 +533,6 @@
   0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1;
   0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1;
   -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 ] + 1;
+
 endfunction
 
--- a/scripts/plot/draw/private/__patch__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__patch__.m	Fri May 20 15:46:45 2016 -0700
@@ -181,4 +181,6 @@
   if (! failed)
     h = __go_patch__ (p, args{:});
   endif
+
 endfunction
+
--- a/scripts/plot/draw/private/__pie__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__pie__.m	Fri May 20 15:46:45 2016 -0700
@@ -151,6 +151,7 @@
   elseif (strcmp (caller, "pie"))
     axis ([-1.5, 1.5, -1.5, 1.5], "square", "off");
   endif
+
 endfunction
 
 function update_text_pos (all_handles)
@@ -197,5 +198,6 @@
       endif
     endfor
   endif
+
 endfunction
 
--- a/scripts/plot/draw/private/__plt__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__plt__.m	Fri May 20 15:46:45 2016 -0700
@@ -157,7 +157,8 @@
 
 endfunction
 
-function [hlgnd, tlgnd, setlgnd] = __plt_key__ (h, options, hlgnd, tlgnd, setlgnd)
+function [hlgnd, tlgnd, setlgnd] = __plt_key__ (h, options,
+                                                hlgnd, tlgnd, setlgnd)
   n = numel (h);
   if (numel (options) == 1)
     options = repmat (options(:), n, 1);
@@ -171,6 +172,7 @@
       setlgnd = true;
     endif
   endfor
+
 endfunction
 
 function retval = __plt1__ (h, x1, options, properties = {})
--- a/scripts/plot/draw/private/__quiver__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__quiver__.m	Fri May 20 15:46:45 2016 -0700
@@ -411,6 +411,7 @@
 endfunction
 
 function update_props (h, ~)
+
   kids = get (h, "children");
 
   set (kids([3 2]), {"color", "linestyle", "linewidth"},
@@ -418,5 +419,6 @@
   set (kids(2), "visible", get (h, "showarrowhead"));
   set (kids(1), {"color", "marker", "markerfacecolor", "markersize"},
         get (h, {"color", "marker", "markerfacecolor", "markersize"}));
+
 endfunction
 
--- a/scripts/plot/draw/private/__scatter__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__scatter__.m	Fri May 20 15:46:45 2016 -0700
@@ -284,6 +284,7 @@
 endfunction
 
 function render_size_color (hg, vert, s, c, marker, filled, isflat)
+
   if (isscalar (s))
     x = vert(:,1);
     y = vert(:,2);
@@ -342,9 +343,11 @@
                              marker, filled, isflat);
     endfor
   endif
+
 endfunction
 
 function update_props (h, d)
+
   lw = get (h, "linewidth");
   m  = get (h, "marker");
   fc = get (h, "markerfacecolor");
@@ -353,10 +356,12 @@
 
   set (kids, "linewidth", lw, "marker", m,
              "markerfacecolor", fc, "markeredgecolor", ec);
+
 endfunction
 
 ## FIXME: This callback routine doesn't handle the case where N > 100.
 function update_data (h, d)
+
   x = get (h, "xdata");
   y = get (h, "ydata");
   z = get (h, "zdata");
--- a/scripts/plot/draw/private/__stem__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/private/__stem__.m	Fri May 20 15:46:45 2016 -0700
@@ -350,6 +350,7 @@
 endfunction
 
 function update_xlim (h, ~)
+
   kids = get (h, "children");
   xlim = get (h, "xlim");
 
@@ -361,9 +362,11 @@
       endif
     endif
   endfor
+
 endfunction
 
 function update_baseline (h, ~, src)
+
   visible = get (h, "visible");
   if (src == 0)
     basevalue = get (h, "basevalue");
@@ -385,9 +388,11 @@
       endif
     endif
   endfor
+
 endfunction
 
 function show_baseline (h, ~, hg = [])
+
   if (isempty (hg))
     set (get (h, "baseline"), "visible", get (h, "showbaseline"));
   else
@@ -397,9 +402,11 @@
       set (get (h, "baseline"), "visible", "on");
     endif
   endif
+
 endfunction
 
 function move_baseline (h, ~)
+
   b0 = get (h, "basevalue");
   bl = get (h, "baseline");
 
@@ -411,9 +418,11 @@
   ny = length (yt);
   yt = [b0 * ones(1, ny); yt; NaN(1, ny)](:);
   set (kids(2), "ydata", yt);
+
 endfunction
 
 function update_props (h, ~)
+
   kids = get (h, "children");
   set (kids(2), "color", get (h, "color"),
                 "linestyle", get (h, "linestyle"),
@@ -422,9 +431,11 @@
                 "marker", get (h, "marker"),
                 "markerfacecolor", get (h, "markerfacecolor"),
                 "markersize", get (h, "markersize"));
+
 endfunction
 
 function update_data (h, ~)
+
   x = get (h, "xdata");
   y = get (h, "ydata");
   z = get (h, "zdata");
@@ -457,5 +468,6 @@
   kids = get (h, "children");
   set (kids(2), "xdata", xt, "ydata", yt, "zdata", zt);
   set (kids(1), "xdata", x, "ydata", y, "zdata", z);
+
 endfunction
 
--- a/scripts/plot/draw/rectangle.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/rectangle.m	Fri May 20 15:46:45 2016 -0700
@@ -80,6 +80,7 @@
   if (nargout > 0)
     h = htmp;
   endif
+
 endfunction
 
 function hg = __rectangle__ (hax, varargin)
@@ -175,6 +176,7 @@
   addlistener (hg, "linewidth", @update_props);
   addlistener (hg, "linestyle", @update_props);
   addlistener (hg, "facecolor", @update_props);
+
 endfunction
 
 function update_data (h, ~)
@@ -221,13 +223,13 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function update_props (h, ~)
   kids = get (h, "children");
   set (kids, {"edgecolor", "linewidth", "linestyle", "facecolor"},
      get (h, {"edgecolor", "linewidth", "linestyle", "facecolor"}));
-
 endfunction
 
 
--- a/scripts/plot/draw/stairs.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/draw/stairs.m	Fri May 20 15:46:45 2016 -0700
@@ -245,6 +245,7 @@
 endfunction
 
 function update_data (h, ~)
+
   x = get (h, "xdata");
   y = get (h, "ydata");
 
@@ -269,6 +270,7 @@
   ys(ridx) = y(2:nr);
 
   set (get (h, "children"), "xdata", xs, "ydata", ys);
+
 endfunction
 
 
--- a/scripts/plot/util/__actual_axis_position__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/__actual_axis_position__.m	Fri May 20 15:46:45 2016 -0700
@@ -82,6 +82,7 @@
   else
     pos = axis_obj.position;
   endif
+
 endfunction
 
 
--- a/scripts/plot/util/__gnuplot_drawnow__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/__gnuplot_drawnow__.m	Fri May 20 15:46:45 2016 -0700
@@ -351,6 +351,7 @@
 endfunction
 
 function term = gnuplot_default_term (plot_stream)
+
   term = lower (getenv ("GNUTERM"));
   ## If not specified, guess the terminal type.
   if (isempty (term) || ! __gnuplot_has_terminal__ (term, plot_stream))
@@ -366,6 +367,7 @@
       term = "dumb";
     endif
   endif
+
 endfunction
 
 function [term, opts] = gnuplot_trim_term (string)
@@ -398,7 +400,9 @@
 endfunction
 
 function retval = have_non_legend_axes (h)
+
   retval = false;
+
   all_axes = findall (h, "type", "axes");
   if (! isempty (all_axes))
     n_all_axes = numel (all_axes);
@@ -409,6 +413,7 @@
       retval = (n_all_axes - n_legend_axes) > 1;
     endif
   endif
+
 endfunction
 
 
--- a/scripts/plot/util/axes.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/axes.m	Fri May 20 15:46:45 2016 -0700
@@ -96,6 +96,7 @@
 endfunction
 
 function restack_axes (h, cf)
+
   show = get (0, "showhiddenhandles");
   set (0, "showhiddenhandles", "on");
   unwind_protect
@@ -106,4 +107,6 @@
   unwind_protect_cleanup
     set (0, "showhiddenhandles", show);
   end_unwind_protect
+
 endfunction
+
--- a/scripts/plot/util/findobj.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/findobj.m	Fri May 20 15:46:45 2016 -0700
@@ -284,6 +284,7 @@
 
   h = h(match);
   h = h(:);
+
 endfunction
 
 
--- a/scripts/plot/util/ginput.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/ginput.m	Fri May 20 15:46:45 2016 -0700
@@ -136,6 +136,7 @@
 endfunction
 
 function ginput_keypressfcn (~, evt)
+
   point = get (gca (), "currentpoint");
   if (strcmp (evt.Key, "return"))
     ## Enter key stops ginput.
@@ -146,6 +147,7 @@
       ginput_accumulator (1, point(1,1), point(1,2), uint8 (character(1)));
     endif
   endif
+
 endfunction
 
 function ginput_closerequestfcn (hfig, ~, orig_closerequestfcn)
--- a/scripts/plot/util/hdl2struct.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/hdl2struct.m	Fri May 20 15:46:45 2016 -0700
@@ -117,14 +117,13 @@
 endfunction
 
 function hdlist = getspecial (h)
-  obj = get (h);
+
   ## return handles to special children
-  fields = fieldnames (obj);
   hdlist = [];
 
-  regkids = get ( h, "children");
+  regkids = get (h, "children");
   set (0, "showhiddenhandles", "on");
-  allkids = get ( h, "children");
+  allkids = get (h, "children");
   set (0, "showhiddenhandles", "off");
   speckids = arrayfun (@(x) ! any (x == regkids), allkids);
   hdlist = allkids (find (speckids));
@@ -133,8 +132,9 @@
 endfunction
 
 function prpstr = getprops (h)
+
   obj = get (h);
-  ## get usefull properties rejecting readonly, children, handles ...
+  ## get useful properties rejecting readonly, children, handles ...
   fields = fieldnames (obj);
   hdlist = [];
 
--- a/scripts/plot/util/im2frame.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/im2frame.m	Fri May 20 15:46:45 2016 -0700
@@ -64,6 +64,7 @@
   endif
 
   frame = struct ("cdata", x, "colormap", map);
+
 endfunction
 
 
--- a/scripts/plot/util/ishghandle.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/ishghandle.m	Fri May 20 15:46:45 2016 -0700
@@ -26,8 +26,8 @@
 ## @end deftypefn
 
 function retval = ishghandle (h)
-  ## This function is just included for compatibility as Octave has
-  ## no simulink equivalent.
+  ## This function is just included for compatibility as
+  ## Octave has no simulink equivalent.
   retval = ishandle (h);
 endfunction
 
--- a/scripts/plot/util/isprop.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/isprop.m	Fri May 20 15:46:45 2016 -0700
@@ -49,6 +49,7 @@
       res(i) = true;
     end_try_catch
   endfor
+
 endfunction
 
 
--- a/scripts/plot/util/linkprop.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/linkprop.m	Fri May 20 15:46:45 2016 -0700
@@ -102,6 +102,7 @@
       recursion = false;
     end_unwind_protect
   endif
+
 endfunction
 
 function delete_linkprop (hlist, prop)
--- a/scripts/plot/util/pan.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/pan.m	Fri May 20 15:46:45 2016 -0700
@@ -106,14 +106,16 @@
 endfunction
 
 function update_mouse_mode (hfig, arg)
+
   if (strcmp (arg, "off"))
     set (hfig, "__mouse_mode__", "none");
   else
-    ## FIXME: Is there a better way other than calling these
-    ## functions to set the other mouse mode Enable fields to
-    ## "off"?
+    ## FIXME: Is there a better way other than calling these functions
+    ##        to set the other mouse mode Enable fields to "off"?
     rotate3d ("off");
     zoom ("off");
     set (hfig, "__mouse_mode__", "pan");
   endif
+
 endfunction
+
--- a/scripts/plot/util/print.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/print.m	Fri May 20 15:46:45 2016 -0700
@@ -688,12 +688,15 @@
   if (opts.debug)
     fprintf ("epstool command: '%s'\n", cmd);
   endif
+
 endfunction
 
 function cmd = fig2dev (opts, devopt)
+
   if (nargin < 2)
     devopt = opts.devopt;
   endif
+
   dos_shell = (ispc () && ! isunix ());
   if (! isempty (opts.fig2dev_binary))
     if (dos_shell)
@@ -708,14 +711,17 @@
   if (opts.debug)
     fprintf ("fig2dev command: '%s'\n", cmd);
   endif
+
 endfunction
 
 function latex_standalone (opts)
+
   n = find (opts.name == ".", 1, "last");
   if (! isempty (n))
     opts.name = opts.name(1:n-1);
   endif
   latexfile = [opts.name ".tex"];
+
   switch (opts.devopt)
     case {"pdflatexstandalone"}
       packages = "\\usepackage{graphicx,color}";
@@ -727,6 +733,7 @@
       packages = "\\usepackage{epsfig,color}";
       graphicsfile = [opts.name "-inc.eps"];
   endswitch
+
   papersize = sprintf ("\\usepackage[papersize={%.2fbp,%.2fbp},text={%.2fbp,%.2fbp}]{geometry}",
                        fix (opts.canvas_size), fix (opts.canvas_size));
   prepend = {"\\documentclass{minimal}";
@@ -735,6 +742,7 @@
              "\\begin{document}";
              "\\centering"};
   postpend = {"\\end{document}"};
+
   fid = fopen (latexfile, "r");
   if (fid >= 0)
     latex = fscanf (fid, "%c", Inf);
@@ -750,6 +758,7 @@
     error ("print:erroropeningfile",
            "print.m: error opening file '%s'", latexfile);
   endif
+
   fid = fopen (latexfile, "w");
   if (fid >= 0)
     fprintf (fid, "%s\n", prepend{:});
@@ -764,12 +773,15 @@
     error ("print:erroropeningfile",
            "print.m: error opening file '%s'", latexfile);
   endif
+
 endfunction
 
 function cmd = lpr (opts)
+
   if (nargin < 2)
     devopt = opts.devopt;
   endif
+
   if (! isempty (opts.lpr_binary))
     cmd = opts.lpr_binary;
     if (! isempty (opts.lpr_options))
@@ -784,12 +796,15 @@
   if (opts.debug)
     fprintf ("lpr command: '%s'\n", cmd);
   endif
+
 endfunction
 
 function cmd = pstoedit (opts, devopt)
+
   if (nargin < 2)
     devopt = opts.devopt;
   endif
+
   dos_shell = (ispc () && ! isunix ());
   if (! isempty (opts.pstoedit_binary))
     if (dos_shell)
@@ -804,5 +819,6 @@
   if (opts.debug)
     fprintf ("pstoedit command: '%s'\n", cmd);
   endif
+
 endfunction
 
--- a/scripts/plot/util/printd.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/printd.m	Fri May 20 15:46:45 2016 -0700
@@ -80,6 +80,7 @@
   fclose (pf);
   delete (tempf);
   pr_out = sprintf ("%s file %s written\n", opt, filename);
+
 endfunction
 
 
--- a/scripts/plot/util/private/__add_default_menu__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/private/__add_default_menu__.m	Fri May 20 15:46:45 2016 -0700
@@ -60,6 +60,7 @@
 
 endfunction
 
+
 function save_cb (h, e)
   [hcbo, hfig] = gcbo ();
   lbl = get (hcbo, "label");
@@ -75,6 +76,7 @@
   endif
 endfunction
 
+
 function __save_as__ (caller)
   [filename, filedir] = uiputfile ({"*.pdf;*.ps;*.gif;*.png;*.jpg",
                                     "Supported Graphic Formats"},
@@ -96,6 +98,7 @@
   hax = findobj (fig, "type", "axes", "-not", "tag", "legend");
 endfunction
 
+
 function grid_cb (h, e)
   hax = __get_axes__ (h);
   id = get (h, "tag");
@@ -108,12 +111,14 @@
   drawnow ();
 endfunction
 
+
 function autoscale_cb (h, e)
   hax = __get_axes__ (h);
   arrayfun (@(h) axis (h, "auto"), hax);
   drawnow ();
 endfunction
 
+
 function guimode_cb (h, e)
   [hax, fig] = __get_axes__ (h);
   id = get (h, "tag");
@@ -135,3 +140,4 @@
       arrayfun (@(h) set (h, "mousewheelzoom", 0.0), hax);
   endswitch
 endfunction
+
--- a/scripts/plot/util/private/__gnuplot_draw_axes__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/private/__gnuplot_draw_axes__.m	Fri May 20 15:46:45 2016 -0700
@@ -1701,6 +1701,7 @@
 endfunction
 
 function x = flip (x)
+
   if (rows (x) == 1)
     x = fliplr (x);
   elseif (columns (x) == 1 || ischar (x))
@@ -1708,6 +1709,7 @@
   else
     x = flipud (fliplr (x));
   endif
+
 endfunction
 
 function spacing_spec = create_spacingspec (f, s, gp_term)
@@ -1726,14 +1728,17 @@
 endfunction
 
 function fontspec = create_fontspec (f, s, gp_term)
+
   if (isempty (f) || strcmp (f, "*") || strcmp (gp_term, "tikz"))
     fontspec = sprintf ("font \",%d\"", s);
   else
     fontspec = sprintf ("font \"%s,%d\"", f, s);
   endif
+
 endfunction
 
 function idx = do_border_2d (obj, plot_stream, idx)
+
   fprintf (plot_stream, "set border 0\n");
 
   if (strcmp (obj.box, "on") || strcmp (obj.xaxislocation, "bottom"))
@@ -1771,6 +1776,7 @@
     fprintf (plot_stream, "from graph %d,%d,%d ", from);
     fprintf (plot_stream, "to graph %d,%d,%d\n", to);
   endfunction
+
 endfunction
 
 function [style, ltidx] = do_linestyle_command (obj, linecolor, idx,
@@ -1928,6 +1934,7 @@
 endfunction
 
 function [lt] = gnuplot_linetype (obj)
+
   if (isfield (obj, "linestyle"))
     if (__gnuplot_has_feature__ ("dashtype"))
       opt = "dashtype";
@@ -1970,9 +1977,11 @@
   else
     lt = "";
   endif
+
 endfunction
 
 function [pt, pt2, obj] = gnuplot_pointtype (obj)
+
   if (isfield (obj, "marker"))
     switch (obj.marker)
       case "+"
@@ -2031,10 +2040,10 @@
   else
     pt = pt2 = "";
   endif
+
 endfunction
 
 function __gnuplot_write_data__ (plot_stream, data, nd, parametric, cdata)
-
   ## DATA is already transposed.
 
   ## Convert NA elements to normal NaN values because fprintf writes
@@ -2144,6 +2153,7 @@
              obj.zticklabel, obj.zcolor, "z", plot_stream, true,
              "border", obj.tickdir, ticklength, fontname, fontspec,
              obj.ticklabelinterpreter, obj.zscale, obj.zsgn, gnuplot_term);
+
 endfunction
 
 function do_tics_1 (ticmode, tics, mtics, labelmode, labels, color, ax,
@@ -2225,9 +2235,11 @@
   else
     fprintf (plot_stream, "unset m%stics;\n", ax);
   endif
+
 endfunction
 
 function ticklabel = ticklabel_to_cell (ticklabel)
+
   if (ischar (ticklabel))
     ticklabel = cellstr (ticklabel);
   elseif (iscellstr (ticklabel))
@@ -2235,6 +2247,7 @@
   else
     error ("__gnuplot_draw_axes__: unsupported type of ticklabel");
   endif
+
 endfunction
 
 function colorspec = get_text_colorspec (color)
@@ -2242,11 +2255,13 @@
 endfunction
 
 function [f, s, fnt, it, bld] = get_fontname_and_size (t)
+
   if (isempty (t.fontname) || strcmp (t.fontname, "*"))
     fnt = "";
   else
     fnt = t.fontname;
   endif
+
   f = fnt;
   it = false;
   bld = false;
@@ -2267,15 +2282,16 @@
     f = [f "-italic"];
     it = true;
   endif
+
   if (isempty (t.fontsize))
     s = 10;
   else
     s = t.fontsize;
   endif
+
 endfunction
 
 function [str, f, s] = __maybe_munge_text__ (enhanced, obj, fld)
-
   persistent warned_latex = false;
 
   if (strcmp (fld, "string"))
@@ -2324,6 +2340,7 @@
       endif
     endif
   endif
+
 endfunction
 
 function str = __tex2enhanced__ (str, fnt, it, bld)
@@ -2502,11 +2519,13 @@
 endfunction
 
 function l = length_string (s)
+
   l = length (s) - length (strfind (s,'{')) - length (strfind (s,'}'));
   m = regexp (s, '/([\w-]+|[\w-]+=\d+)', 'matches');
   if (! isempty (m))
     l -= sum (cellfun ("length", m));
   endif
+
 endfunction
 
 function sym = __setup_sym_table__ ()
@@ -2625,6 +2644,7 @@
 endfunction
 
 function retval = __do_enhanced_option__ (enhanced, obj)
+
   retval = "";
   if (enhanced)
     if (strcmpi (obj.interpreter, "none"))
@@ -2633,18 +2653,24 @@
       retval = "enhanced";
     endif
   endif
+
 endfunction
 
 function maybe_do_xtick_mirror (plot_stream, axis_obj)
+
   if (! isempty(axis_obj.xtick))
     fprintf (plot_stream, "unset x2tics; set xtics %s nomirror\n",
                           axis_obj.tickdir);
   endif
+
 endfunction
 
 function maybe_do_x2tick_mirror (plot_stream, axis_obj)
+
   if (! isempty(axis_obj.xtick))
     fprintf (plot_stream, "unset xtics; set x2tics %s nomirror\n",
                           axis_obj.tickdir);
   endif
+
 endfunction
+
--- a/scripts/plot/util/private/__gnuplot_open_stream__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/private/__gnuplot_open_stream__.m	Fri May 20 15:46:45 2016 -0700
@@ -25,7 +25,9 @@
 ## Created: 2009-04-11
 
 function plot_stream = __gnuplot_open_stream__ (npipes, h)
+
   [prog, args] = gnuplot_binary ();
+
   if (npipes > 1)
     [plot_stream(1), plot_stream(2), pid] = popen2 (prog, args{:});
     if (pid < 0)
@@ -39,8 +41,10 @@
       error ("__gnuplot_open_stream__: failed to open connection to gnuplot");
     endif
   endif
+
   if (nargin > 1)
     set (h, "__plot_stream__", plot_stream);
   endif
+
 endfunction
 
--- a/scripts/plot/util/private/__gnuplot_print__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/private/__gnuplot_print__.m	Fri May 20 15:46:45 2016 -0700
@@ -198,7 +198,9 @@
 
 endfunction
 
+
 function eps_drawnow (opts, epsfile, gp_opts)
+
   [h, fontsize] = get_figure_text_objs (opts);
   unwind_protect
     fontsize_2x = cellfun (@times, {2}, fontsize, "uniformoutput", false);
@@ -207,9 +209,12 @@
   unwind_protect_cleanup
     set (h, {"fontsize"}, fontsize);
   end_unwind_protect
+
 endfunction
 
+
 function local_drawnow (term, file, opts)
+
   set (0, "currentfigure", opts.figure);
   if (isempty (opts.debug_file) || ! opts.debug)
     drawnow (term, file);
@@ -219,8 +224,10 @@
   if (opts.debug)
     fprintf ("Expanded gnuplot terminal = '%s'\n", term);
   endif
+
 endfunction
 
+
 function f = font_spec (opts, varargin)
   for n = 1:2:numel (varargin)
     opts.(varargin{n}) = varargin{n+1};
@@ -326,9 +333,12 @@
         f = sprintf ("fontsize %d", opts.fontsize);
       endif
   endswitch
+
 endfunction
 
+
 function [h, fontsize] = get_figure_text_objs (opts)
+
   h = findall (opts.figure, "-property", "fontsize");
   hp = get (h, "parent");
   if (iscell (hp))
@@ -348,5 +358,6 @@
     case 1
       fontsize = {fontsize};
   endswitch
+
 endfunction
 
--- a/scripts/plot/util/private/__print_parse_opts__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/private/__print_parse_opts__.m	Fri May 20 15:46:45 2016 -0700
@@ -452,6 +452,7 @@
 %! assert (opts.figure, 5);
 
 function cmd = __quote_path__ (cmd)
+
   if (! isempty (cmd))
     is_quoted = all (cmd([1, end]) == "'");
     if (! is_quoted)
@@ -464,8 +465,10 @@
       endif
     endif
   endif
+
 endfunction
 
+
 function gs = __ghostscript_binary__ ()
 
   persistent ghostscript_binary = ""
@@ -609,6 +612,7 @@
 endfunction
 
 function value = convert2points (value, units)
+
   switch (units)
     case "inches"
       value *= 72;
@@ -618,6 +622,7 @@
       error ("print:customnormalized",
              "print.m: papersize=='<custom>' and paperunits='normalized' may not be combined");
   endswitch
+
 endfunction
 
 function device_list = gs_device_list ();
--- a/scripts/plot/util/refreshdata.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/refreshdata.m	Fri May 20 15:46:45 2016 -0700
@@ -101,6 +101,7 @@
       set (h(i), pdname, val);
     endfor
   endfor
+
 endfunction
 
 
--- a/scripts/plot/util/rotate3d.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/rotate3d.m	Fri May 20 15:46:45 2016 -0700
@@ -95,6 +95,7 @@
 endfunction
 
 function update_mouse_mode (hfig, arg)
+
   if (strcmp (arg, "off"))
     set (hfig, "__mouse_mode__", "none");
   else
@@ -105,4 +106,6 @@
     zoom ("off");
     set (hfig, "__mouse_mode__", "rotate");
   endif
+
 endfunction
+
--- a/scripts/plot/util/struct2hdl.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/struct2hdl.m	Fri May 20 15:46:45 2016 -0700
@@ -177,8 +177,9 @@
 endfunction
 
 function [h, sout] = createaxes (s, p, par)
-  ## regular axes
+
   if (! any (strcmpi (s.properties.tag, {"colorbar", "legend"})))
+    ## regular axes
     propval = {"position", s.properties.position};
     hid = {"autopos_tag", "looseinset"};
     for ii = 1:numel (hid)
@@ -283,7 +284,9 @@
       error ("hdl2struct: didn't find an object");
     endif
   endif
+
   sout = s;
+
 endfunction
 
 function h = createline (s, par)
@@ -292,6 +295,7 @@
 endfunction
 
 function [h, sout] = createpatch (s, par)
+
   prp.faces = s.properties.faces;
   prp.vertices = s.properties.vertices;
   prp.facevertexcdata = s.properties.facevertexcdata;
@@ -305,6 +309,7 @@
   s.properties = rmfield (s.properties, {"xdata", "ydata", "zdata", "cdata"});
   addmissingprops (h, s.properties);
   sout = s;
+
 endfunction
 
 function h = createtext (s, par)
@@ -357,11 +362,14 @@
     addmissingprops (h, s.properties);
     s.special = [];
   endif
+
   sout = s;
   pout = p;
+
 endfunction
 
 function [h, sout, pout] = createhg_hilev (s, p, par)
+
   fields = s.properties;
   if (isfield (fields, "contourmatrix"))
     ## contours
@@ -547,11 +555,14 @@
     addmissingprops (h, s.properties);
     s.special = [];           # children will be treated as normal children
   endif
+
   sout = s;
   pout = p;
+
 endfunction
 
 function setprops (s, h, p, hilev)
+
   if (! any (strcmpi (s.properties.tag, {"colorbar", "legend"})))
     specs = s.children(s.special);
     if (isempty (specs))
@@ -624,14 +635,17 @@
 endfunction
 
 function out = valcomp (x, hdls)
+
   if (isfloat (x) && isscalar (x))
     out = any (x == hdls);
   else
     out = 0;
   endif
+
 endfunction
 
 function addmissingprops (h, props)
+
   hid = {"autopos_tag", "looseinset"};
   oldfields = fieldnames (props);
   curfields = fieldnames (get (h));
@@ -643,6 +657,7 @@
       addproperty (prop, h, "any");
     endif
   endfor
+
 endfunction
 
 
--- a/scripts/plot/util/subplot.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/subplot.m	Fri May 20 15:46:45 2016 -0700
@@ -368,6 +368,7 @@
 
 function subplot_align (h, d, rmupdate = false)
   persistent updating = false;
+
   if (! updating)
     if (rmupdate)
       ## The "position" property has been changed from outside this routine.
--- a/scripts/plot/util/zoom.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/plot/util/zoom.m	Fri May 20 15:46:45 2016 -0700
@@ -163,16 +163,17 @@
 endfunction
 
 function update_mouse_mode (hfig, arg)
+
   if (strcmp (arg, "off"))
     set (hfig, "__mouse_mode__", "none");
   else
-    ## FIXME: Is there a better way other than calling these
-    ## functions to set the other mouse mode Enable fields to
-    ## "off"?
+    ## FIXME: Is there a better way other than calling these functions
+    ##        to set the other mouse mode Enable fields to "off"?
     pan ("off");
     rotate3d ("off");
     set (hfig, "__mouse_mode__", "zoom");
   endif
+
 endfunction
 
 
--- a/scripts/polynomial/polyout.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/polynomial/polyout.m	Fri May 20 15:46:45 2016 -0700
@@ -89,6 +89,7 @@
 endfunction
 
 function str = coeff (c)
+
   if (imag (c))
     if (real (c))
       str = sprintf ("(%s)", num2str (c, 5));
@@ -98,6 +99,7 @@
   else
     str = num2str (c, 5);
   endif
+
 endfunction
 
 
--- a/scripts/polynomial/ppder.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/polynomial/ppder.m	Fri May 20 15:46:45 2016 -0700
@@ -49,6 +49,7 @@
   endif
 
   ppd = mkpp (x, pd, d);
+
 endfunction
 
 
--- a/scripts/polynomial/ppint.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/polynomial/ppint.m	Fri May 20 15:46:45 2016 -0700
@@ -26,6 +26,7 @@
 ## @end deftypefn
 
 function ppi = ppint (pp, c)
+
   if (nargin < 1 || nargin > 2)
     print_usage ();
   endif
--- a/scripts/polynomial/ppjumps.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/polynomial/ppjumps.m	Fri May 20 15:46:45 2016 -0700
@@ -26,6 +26,7 @@
 ## @end deftypefn
 
 function jumps = ppjumps (pp)
+
   if (nargin != 1)
     print_usage ();
   endif
@@ -56,6 +57,7 @@
 
   rlim = shiftdim (ppval (pp, x(2:end-1)), nd - 1);
   jumps = shiftdim (rlim - llim, 1);
+
 endfunction
 
 
--- a/scripts/polynomial/splinefit.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/polynomial/splinefit.m	Fri May 20 15:46:45 2016 -0700
@@ -94,6 +94,7 @@
 ## @end deftypefn
 
 function pp = splinefit (x, y, breaks, varargin)
+
   if (nargin > 3)
     n = cellfun ("isclass", varargin, "char");
     varargin(n) = lower (varargin(n));
@@ -105,6 +106,7 @@
   else
     props = struct ();
   endif
+
   fields = fieldnames (props);
   for f = 1:numel (fields)
     if (! any (strcmp (fields{f},
@@ -113,6 +115,7 @@
              "unrecognized property '%s'", fields{f});
     endif
   endfor
+
   args = {};
   if (isfield (props, "periodic") && props.periodic)
     args{end+1} = "p";
@@ -142,7 +145,9 @@
   elseif (! isnumeric (breaks) || ! isvector (breaks))
     print_usage ();
   endif
+
   pp = __splinefit__ (x, y, breaks, args{:});
+
 endfunction
 
 
--- a/scripts/signal/detrend.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/signal/detrend.m	Fri May 20 15:46:45 2016 -0700
@@ -38,7 +38,7 @@
 ## Adapted-By: jwe
 
 function y = detrend (x, p = 1)
-  ## Check input
+
   if (nargin > 0 && isreal (x) && ndims (x) <= 2)
     ## Check p
     if (ischar (p) && strcmpi (p, "constant"))
--- a/scripts/signal/filter2.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/signal/filter2.m	Fri May 20 15:46:45 2016 -0700
@@ -55,5 +55,6 @@
 
   [nr, nc] = size (b);
   y = conv2 (x, b(nr:-1:1, nc:-1:1), shape);
+
 endfunction
 
--- a/scripts/sparse/bicgstab.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/bicgstab.m	Fri May 20 15:46:45 2016 -0700
@@ -72,133 +72,131 @@
 function [x, flag, relres, iter, resvec] = bicgstab (A, b, tol, maxit,
                                                      M1, M2, x0)
 
-  if (nargin >= 2 && nargin <= 7 && isvector (full (b)))
+  if (nargin < 2 || nargin > 7 || ! isvector (full (b)))
+    print_usage ();
+  endif
+
+  if (ischar (A))
+    A = str2func (A);
+  elseif (isnumeric(A) && issquare (A))
+    Ax = @(x) A  * x;
+  elseif (isa (A, "function_handle"))
+    Ax = @(x) feval (A, x);
+  else
+    error ("bicgstab: A must be a square matrix or function");
+  endif
 
-    if (ischar (A))
-      A = str2func (A);
-    elseif (isnumeric(A) && issquare (A))
-      Ax = @(x) A  * x;
-    elseif (isa (A, "function_handle"))
-      Ax = @(x) feval (A, x);
-    else
-      error ("bicgstab: A must be a square matrix or function");
-    endif
+  if (nargin < 3 || isempty (tol))
+    tol = 1e-6;
+  endif
+
+  if (nargin < 4 || isempty (maxit))
+    maxit = min (rows (b), 20);
+  endif
 
-    if (nargin < 3 || isempty (tol))
-      tol = 1e-6;
-    endif
-
-    if (nargin < 4 || isempty (maxit))
-      maxit = min (rows (b), 20);
-    endif
+  if (nargin < 5 || isempty (M1))
+    M1m1x = @(x) x;
+  elseif (ischar (M1))
+    M1m1x = str2func (M1);
+  elseif (isnumeric(M1) && ismatrix (M1))
+    M1m1x = @(x) M1  \ x;
+  elseif (isa (M1, "function_handle"))
+    M1m1x = @(x) feval (M1, x);
+  else
+    error ("bicgstab: preconditioner M1 must be a function or matrix");
+  endif
 
-    if (nargin < 5 || isempty (M1))
-      M1m1x = @(x) x;
-    elseif (ischar (M1))
-      M1m1x = str2func (M1);
-    elseif (isnumeric(M1) && ismatrix (M1))
-      M1m1x = @(x) M1  \ x;
-    elseif (isa (M1, "function_handle"))
-      M1m1x = @(x) feval (M1, x);
-    else
-      error ("bicgstab: preconditioner M1 must be a function or matrix");
-    endif
+  if (nargin < 6 || isempty (M2))
+    M2m1x = @(x) x;
+  elseif (ischar (M2))
+    M2m1x = str2func (M2);
+  elseif (isnumeric(M2) && ismatrix (M2))
+    M2m1x = @(x) M2  \ x;
+  elseif (isa (M2, "function_handle"))
+    M2m1x = @(x) feval (M2, x);
+  else
+    error ("bicgstab: preconditioner M2 must be a function or matrix");
+  endif
+
+  precon = @(x) M2m1x (M1m1x (x));
+
+  if (nargin < 7 || isempty (x0))
+    x0 = zeros (size (b));
+  endif
 
-    if (nargin < 6 || isempty (M2))
-      M2m1x = @(x) x;
-    elseif (ischar (M2))
-      M2m1x = str2func (M2);
-    elseif (isnumeric(M2) && ismatrix (M2))
-      M2m1x = @(x) M2  \ x;
-    elseif (isa (M2, "function_handle"))
-      M2m1x = @(x) feval (M2, x);
-    else
-      error ("bicgstab: preconditioner M2 must be a function or matrix");
-    endif
+  ## specifies initial estimate x0
+  if (nargin < 7)
+    x = zeros (rows (b), 1);
+  else
+    x = x0;
+  endif
+
+  norm_b = norm (b);
+
+  res = b - Ax (x);
+  rr = res;
 
-    precon = @(x) M2m1x (M1m1x (x));
+  ## Vector of the residual norms for each iteration.
+  resvec = norm (res) / norm_b;
 
-    if (nargin < 7 || isempty (x0))
-      x0 = zeros (size (b));
-    endif
+  ## Default behavior we don't reach tolerance tol within maxit iterations.
+  flag = 1;
 
-    ## specifies initial estimate x0
-    if (nargin < 7)
-      x = zeros (rows (b), 1);
+  for iter = 1:maxit
+    rho_1 = rr' * res;
+
+    if (iter == 1)
+      p = res;
     else
-      x = x0;
+      beta = (rho_1 / rho_2) * (alpha / omega);
+      p = res + beta * (p - omega * v);
     endif
 
-    norm_b = norm (b);
-
-    res = b - Ax (x);
-    rr = res;
+    phat = precon (p);
 
-    ## Vector of the residual norms for each iteration.
-    resvec = norm (res) / norm_b;
+    v = Ax (phat);
+    alpha = rho_1 / (rr' * v);
+    s = res - alpha * v;
 
-    ## Default behavior we don't reach tolerance tol within maxit iterations.
-    flag = 1;
-
-    for iter = 1:maxit
-      rho_1 = rr' * res;
+    shat = precon (s);
 
-      if (iter == 1)
-        p = res;
-      else
-        beta = (rho_1 / rho_2) * (alpha / omega);
-        p = res + beta * (p - omega * v);
-      endif
-
-      phat = precon (p);
+    t = Ax (shat);
+    omega = (s' * t) / (t' * t);
+    x += alpha * phat + omega * shat;
+    res = s - omega * t;
+    rho_2 = rho_1;
 
-      v = Ax (phat);
-      alpha = rho_1 / (rr' * v);
-      s = res - alpha * v;
-
-      shat = precon (s);
-
-      t = Ax (shat);
-      omega = (s' * t) / (t' * t);
-      x += alpha * phat + omega * shat;
-      res = s - omega * t;
-      rho_2 = rho_1;
+    relres = norm (res) / norm_b;
+    resvec = [resvec; relres];
 
-      relres = norm (res) / norm_b;
-      resvec = [resvec; relres];
-
-      if (relres <= tol)
-        ## We reach tolerance tol within maxit iterations.
-        flag = 0;
-        break;
-      elseif (resvec(end) == resvec(end - 1))
-        ## The method stagnates.
-        flag = 3;
-        break;
-      endif
-    endfor
+    if (relres <= tol)
+      ## We reach tolerance tol within maxit iterations.
+      flag = 0;
+      break;
+    elseif (resvec(end) == resvec(end - 1))
+      ## The method stagnates.
+      flag = 3;
+      break;
+    endif
+  endfor
 
-    if (nargout < 2)
-      if (flag == 0)
-        printf ("bicgstab converged at iteration %i ", iter);
-        printf ("to a solution with relative residual %e\n", relres);
-      elseif (flag == 3)
-        printf ("bicgstab stopped at iteration %i ", iter);
-        printf ("without converging to the desired tolerance %e\n", tol);
-        printf ("because the method stagnated.\n");
-        printf ("The iterate returned (number %i) ", iter);
-        printf ("has relative residual %e\n", relres);
-      else
-        printf ("bicgstab stopped at iteration %i ", iter);
-        printf ("without converging to the desired toleranc %e\n", tol);
-        printf ("because the maximum number of iterations was reached.\n");
-        printf ("The iterate returned (number %i) ", iter);
-        printf ("has relative residual %e\n", relres);
-      endif
+  if (nargout < 2)
+    if (flag == 0)
+      printf ("bicgstab converged at iteration %i ", iter);
+      printf ("to a solution with relative residual %e\n", relres);
+    elseif (flag == 3)
+      printf ("bicgstab stopped at iteration %i ", iter);
+      printf ("without converging to the desired tolerance %e\n", tol);
+      printf ("because the method stagnated.\n");
+      printf ("The iterate returned (number %i) ", iter);
+      printf ("has relative residual %e\n", relres);
+    else
+      printf ("bicgstab stopped at iteration %i ", iter);
+      printf ("without converging to the desired toleranc %e\n", tol);
+      printf ("because the maximum number of iterations was reached.\n");
+      printf ("The iterate returned (number %i) ", iter);
+      printf ("has relative residual %e\n", relres);
     endif
-
-  else
-    print_usage ();
   endif
 
 endfunction
@@ -249,3 +247,4 @@
 %! b = A * [1; 1];
 %! [x, flag, relres, iter, resvec] = bicgstab (A, b);
 %! assert (x, [1; 1], 1e-6);
+
--- a/scripts/sparse/colperm.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/colperm.m	Fri May 20 15:46:45 2016 -0700
@@ -35,6 +35,7 @@
 
   [i, j] = find (s);
   idx = find (diff ([j; Inf]) != 0);
-  [dummy, p] = sort (idx - [0; idx(1:(end-1))]);
+  [~, p] = sort (idx - [0; idx(1:(end-1))]);
+
 endfunction
 
--- a/scripts/sparse/etreeplot.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/etreeplot.m	Fri May 20 15:46:45 2016 -0700
@@ -34,5 +34,6 @@
   endif
 
   treeplot (etree (A+A'), varargin{:});
+
 endfunction
 
--- a/scripts/sparse/pcg.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/pcg.m	Fri May 20 15:46:45 2016 -0700
@@ -385,6 +385,7 @@
       warning ("pcg: matrix not positive definite?\n");
     endif
   endif
+
 endfunction
 
 
--- a/scripts/sparse/qmr.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/qmr.m	Fri May 20 15:46:45 2016 -0700
@@ -263,6 +263,7 @@
   else
     print usage();
   endif
+
 endfunction
 
 
--- a/scripts/sparse/spaugment.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/spaugment.m	Fri May 20 15:46:45 2016 -0700
@@ -75,6 +75,7 @@
 ## @end deftypefn
 
 function s = spaugment (A, c)
+
   if (nargin < 2)
     if (issparse (A))
       c = max (max (abs (A))) / 1000;
@@ -91,6 +92,7 @@
 
   [m, n] = size (A);
   s = [ c * speye(m, m), A; A', sparse(n, n)];
+
 endfunction
 
 
--- a/scripts/sparse/speye.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/speye.m	Fri May 20 15:46:45 2016 -0700
@@ -32,6 +32,7 @@
 ## @end deftypefn
 
 function s = speye (m, n)
+
   if (nargin == 1)
     if (isvector (m) && length (m) == 2)
       n = m(2);
@@ -49,6 +50,7 @@
 
   lo = min ([m, n]);
   s = sparse (1:lo, 1:lo, 1, m, n);
+
 endfunction
 
 
--- a/scripts/sparse/treelayout.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/sparse/treelayout.m	Fri May 20 15:46:45 2016 -0700
@@ -30,178 +30,181 @@
 ## @seealso{etreeplot, gplot, treeplot}
 ## @end deftypefn
 
-function [x_coordinate, y_coordinate, height, s] = treelayout (tree, permutation)
+function [x_coordinate, y_coordinate, height, s] = ...
+                                                 treelayout (tree, permutation)
+
   if (nargin < 1 || nargin > 2 || nargout > 4)
     print_usage ();
   elseif (! isvector (tree) || rows (tree) != 1 || ! isnumeric (tree)
           || any (tree > length (tree)) || any (tree < 0))
     error ("treelayout: the first input argument must be a vector of predecessors");
-  else
-    ## Make it a row vector.
-    tree = tree(:)';
+  endif
+
+  ## Make it a row vector.
+  tree = tree(:)';
+
+  ## The count of nodes of the graph.
+  num_nodes = length (tree);
+  ## The number of children.
+  num_children = zeros (1, num_nodes + 1);
 
-    ## The count of nodes of the graph.
-    num_nodes = length (tree);
-    ## The number of children.
-    num_children = zeros (1, num_nodes + 1);
+  ## Checking vector of predecessors.
+  for i = 1 : num_nodes
+    if (tree(i) < i)
+      ## This part of graph was checked before.
+      continue;
+    endif
 
-    ## Checking vector of predecessors.
-    for i = 1 : num_nodes
-      if (tree(i) < i)
+    ## Try to find cicle in this part of graph using modified Floyd's
+    ## cycle-finding algorithm.
+    tortoise = tree(i);
+    hare = tree(tortoise);
+
+    while (tortoise != hare)
+      ## End after finding a cicle or reaching a checked part of graph.
+
+      if (hare < i)
         ## This part of graph was checked before.
-        continue;
+        break
       endif
 
-      ## Try to find cicle in this part of graph using modified Floyd's
-      ## cycle-finding algorithm.
-      tortoise = tree(i);
-      hare = tree(tortoise);
-
-      while (tortoise != hare)
-        ## End after finding a cicle or reaching a checked part of graph.
-
-        if (hare < i)
-          ## This part of graph was checked before.
-          break
-        endif
-
-        tortoise = tree(tortoise);
-        ## Hare will move faster than tortoise so in cicle hare must
-        ## reach tortoise.
-        hare = tree(tree(hare));
-
-      endwhile
-
-      if (tortoise == hare)
-        ## If hare reach tortoise we found circle.
-        error ("treelayout: vector of predecessors has bad format");
-      endif
+      tortoise = tree(tortoise);
+      ## Hare will move faster than tortoise so in cicle hare must
+      ## reach tortoise.
+      hare = tree(tree(hare));
 
-    endfor
-    ## Vector of predecessors has right format.
-
-    for i = 1:num_nodes
-      ## vec_of_child is helping vector which is used to speed up the
-      ## choice of descendant nodes.
-
-      num_children(tree(i)+1) = num_children(tree(i)+1) + 1;
-    endfor
+    endwhile
 
-    pos = 1;
-    start = zeros (1, num_nodes+1);
-    xhelp = zeros (1, num_nodes+1);
-    stop = zeros (1, num_nodes+1);
-    for i = 1 : num_nodes + 1
-      start(i) = pos;
-      xhelp(i) = pos;
-      pos += num_children(i);
-      stop(i) = pos;
-    endfor
-
-    if (nargin == 1)
-      for i = 1:num_nodes
-        vec_of_child(xhelp(tree(i)+1)) = i;
-        xhelp(tree(i)+1) = xhelp(tree(i)+1) + 1;
-      endfor
-    else
-      vec_of_child = permutation;
+    if (tortoise == hare)
+      ## If hare reach tortoise we found circle.
+      error ("treelayout: vector of predecessors has bad format");
     endif
 
-    ## The number of "parent" (actual) node (it's descendants will be
-    ## browse in the next iteration).
-    par_number = 0;
+  endfor
+  ## Vector of predecessors has right format.
+
+  for i = 1:num_nodes
+    ## vec_of_child is helping vector which is used to speed up the
+    ## choice of descendant nodes.
+
+    num_children(tree(i)+1) = num_children(tree(i)+1) + 1;
+  endfor
+
+  pos = 1;
+  start = zeros (1, num_nodes+1);
+  xhelp = zeros (1, num_nodes+1);
+  stop = zeros (1, num_nodes+1);
+  for i = 1 : num_nodes + 1
+    start(i) = pos;
+    xhelp(i) = pos;
+    pos += num_children(i);
+    stop(i) = pos;
+  endfor
 
-    ## The x-coordinate of the left most descendant of "parent node"
-    ## this value is increased in each leaf.
-    left_most = 0;
+  if (nargin == 1)
+    for i = 1:num_nodes
+      vec_of_child(xhelp(tree(i)+1)) = i;
+      xhelp(tree(i)+1) = xhelp(tree(i)+1) + 1;
+    endfor
+  else
+    vec_of_child = permutation;
+  endif
 
-    ## The level of "parent" node (root level is num_nodes).
-    level = num_nodes;
+  ## The number of "parent" (actual) node (it's descendants will be
+  ## browse in the next iteration).
+  par_number = 0;
 
-    ## num_nodes - max_ht is the height of this graph.
-    max_ht = num_nodes;
+  ## The x-coordinate of the left most descendant of "parent node"
+  ## this value is increased in each leaf.
+  left_most = 0;
+
+  ## The level of "parent" node (root level is num_nodes).
+  level = num_nodes;
+
+  ## num_nodes - max_ht is the height of this graph.
+  max_ht = num_nodes;
 
-    ## Main stack - each item consists of two numbers - the number of
-    ## node and the number it's of parent node on the top of stack
-    ## there is "parent node".
-    stk = [-1, 0];
+  ## Main stack - each item consists of two numbers - the number of
+  ## node and the number it's of parent node on the top of stack
+  ## there is "parent node".
+  stk = [-1, 0];
+
+  ## Number of vertices s in the top-level separator.
+  s = 0;
+  ## Flag which says if we are in top level separator.
+  top_level = 1;
+  ## The top of the stack.
+  while (par_number != -1)
+    if (start(par_number+1) < stop(par_number+1))
+      idx = vec_of_child(start(par_number+1) : stop(par_number+1) - 1);
+    else
+      idx = zeros (1, 0);
+    endif
+
+    ## Add to idx the vector of parent descendants.
+    stk = [stk; [idx', ones(fliplr(size(idx))) * par_number]];
 
-    ## Number of vertices s in the top-level separator.
-    s = 0;
-    ## Flag which says if we are in top level separator.
-    top_level = 1;
-    ## The top of the stack.
-    while (par_number != -1)
-      if (start(par_number+1) < stop(par_number+1))
-        idx = vec_of_child(start(par_number+1) : stop(par_number+1) - 1);
-      else
-        idx = zeros (1, 0);
+    ## We are in top level separator when we have one child and the
+    ## flag is 1
+    if (columns (idx) == 1 && top_level == 1)
+      s += 1;
+    else
+      ## We aren't in top level separator now.
+      top_level = 0;
+    endif
+    ## If there is not any descendant of "parent node":
+    if (stk(end,2) != par_number)
+     left_most += 1;
+     x_coordinate_r(par_number) = left_most;
+     max_ht = min (max_ht, level);
+     if (length (stk) > 1 && find ((shift (stk,1) - stk) == 0) > 1
+         && stk(end,2) != stk(end-1,2))
+        ## Return to the nearest branching the position to return
+        ## position is the position on the stack, where should be
+        ## started further search (there are two nodes which has the
+        ## same parent node).
+
+        position = (find ((shift (stk(:,2), 1) - stk(:,2)) == 0))(end) + 1;
+        par_number_vec = stk(position:end,2);
+
+        ## The vector of removed nodes (the content of stack form
+        ## position to end).
+
+        level += length (par_number_vec);
+
+        ## The level have to be decreased.
+
+        x_coordinate_r(par_number_vec) = left_most;
+        stk(position:end,:) = [];
       endif
 
-      ## Add to idx the vector of parent descendants.
-      stk = [stk; [idx', ones(fliplr(size(idx))) * par_number]];
-
-      ## We are in top level separator when we have one child and the
-      ## flag is 1
-      if (columns (idx) == 1 && top_level == 1)
-        s += 1;
-      else
-        ## We aren't in top level separator now.
-        top_level = 0;
-      endif
-      ## If there is not any descendant of "parent node":
-      if (stk(end,2) != par_number)
-       left_most += 1;
-       x_coordinate_r(par_number) = left_most;
-       max_ht = min (max_ht, level);
-       if (length (stk) > 1 && find ((shift (stk,1) - stk) == 0) > 1
-           && stk(end,2) != stk(end-1,2))
-          ## Return to the nearest branching the position to return
-          ## position is the position on the stack, where should be
-          ## started further search (there are two nodes which has the
-          ## same parent node).
-
-          position = (find ((shift (stk(:,2), 1) - stk(:,2)) == 0))(end) + 1;
-          par_number_vec = stk(position:end,2);
+      ## Remove the next node from "searched branch".
 
-          ## The vector of removed nodes (the content of stack form
-          ## position to end).
-
-          level += length (par_number_vec);
-
-          ## The level have to be decreased.
-
-          x_coordinate_r(par_number_vec) = left_most;
-          stk(position:end,:) = [];
-        endif
-
-        ## Remove the next node from "searched branch".
-
-        stk(end,:) = [];
-        ## Choose new "parent node".
-        par_number = stk(end,1);
-        ## If there is another branch start to search it.
-        if (par_number != -1)
-          y_coordinate(par_number) = level;
-          x_coordinate_l(par_number) = left_most + 1;
-        endif
-      else
-
-        ## There were descendants of "parent nod" choose the last of
-        ## them and go on through it.
-        level -= 1;
-        par_number = stk(end,1);
+      stk(end,:) = [];
+      ## Choose new "parent node".
+      par_number = stk(end,1);
+      ## If there is another branch start to search it.
+      if (par_number != -1)
         y_coordinate(par_number) = level;
         x_coordinate_l(par_number) = left_most + 1;
       endif
-    endwhile
+    else
 
-    ## Calculate the x coordinates (the known values are the position
-    ## of most left and most right descendants).
-    x_coordinate = (x_coordinate_l + x_coordinate_r) / 2;
+      ## There were descendants of "parent nod" choose the last of
+      ## them and go on through it.
+      level -= 1;
+      par_number = stk(end,1);
+      y_coordinate(par_number) = level;
+      x_coordinate_l(par_number) = left_most + 1;
+    endif
+  endwhile
 
-    height = num_nodes - max_ht - 1;
-  endif
+  ## Calculate the x coordinates (the known values are the position
+  ## of most left and most right descendants).
+  x_coordinate = (x_coordinate_l + x_coordinate_r) / 2;
+
+  height = num_nodes - max_ht - 1;
+
 endfunction
 
 
--- a/scripts/specfun/expint.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/specfun/expint.m	Fri May 20 15:46:45 2016 -0700
@@ -152,6 +152,7 @@
       endif;
     endif
   endfor
+
 endfunction
 
 
--- a/scripts/specfun/isprime.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/specfun/isprime.m	Fri May 20 15:46:45 2016 -0700
@@ -131,6 +131,7 @@
 endfunction
 
 function t = isgaussianprime (z)
+
   ## Assume prime unless proven otherwise
   t = true (size (z));
 
@@ -149,6 +150,7 @@
   zidx = ! (xidx | yidx);          # Skip entries that were already evaluated
   zabs = x(zidx).^2 + y(zidx).^2;
   t(zidx) &= isprime (zabs);
+
 endfunction
 
 
--- a/scripts/statistics/base/lscov.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/statistics/base/lscov.m	Fri May 20 15:46:45 2016 -0700
@@ -111,6 +111,7 @@
       endfor
     endif
   endif
+
 endfunction
 
 
--- a/scripts/statistics/base/mode.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/statistics/base/mode.m	Fri May 20 15:46:45 2016 -0700
@@ -103,6 +103,7 @@
     c{i} = xs(t2(:, i) == f(i), i);
     m(i) = c{i}(1);
   endfor
+
 endfunction
 
 
--- a/scripts/statistics/distributions/binoinv.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/statistics/distributions/binoinv.m	Fri May 20 15:46:45 2016 -0700
@@ -79,6 +79,7 @@
 ## Compute CDF in batches of doubling size until CDF > x, or answer > 500
 ## Return the locations of unfinished cases in k.
 function [m, k] = scalar_binoinv (x, n, p)
+
   k = 1:length (x);
   m = zeros (size (x));
   prev_limit = 0;
@@ -104,6 +105,7 @@
 ## Return the locations of unfinished cases in k.
 ## Calculates CDF by summing PDF, which is faster than calls to binocdf.
 function [m, k] = vector_binoinv (x, n, p)
+
   k = 1:length(x);
   m = zeros (size (x));
   prev_limit = 0;
@@ -135,6 +137,7 @@
 ## but care must be taken to handle both scalar and vector n, p.  Bookkeeping
 ## may cost more than the extra computations.
 function m = bin_search_binoinv (x, n, p)
+
   k = 1:length (x);
   lower = zeros (size (x));
   limit = 500;              # lower bound on point at which prev phase finished
@@ -155,6 +158,7 @@
   endfor
   m = ceil (lower);
   m(x > binocdf (m(:), n, p)) += 1;  # fix off-by-one errors from binary search
+
 endfunction
 
 
--- a/scripts/statistics/distributions/nbininv.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/statistics/distributions/nbininv.m	Fri May 20 15:46:45 2016 -0700
@@ -83,6 +83,7 @@
 ## Compute CDF in batches of doubling size until CDF > x, or answer > 500.
 ## Return the locations of unfinished cases in k.
 function [m, k] = scalar_nbininv (x, n, p)
+
   k = 1:length (x);
   m = zeros (size (x));
   prev_limit = 0;
@@ -107,6 +108,7 @@
 ## but care must be taken to handle both scalar and vector n,p.  Bookkeeping
 ## may cost more than the extra computations.
 function m = bin_search_nbininv (x, n, p)
+
   k = 1:length (x);
   lower = zeros (size (x));
   limit = 1;
--- a/scripts/statistics/distributions/poissinv.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/statistics/distributions/poissinv.m	Fri May 20 15:46:45 2016 -0700
@@ -105,6 +105,7 @@
 ## http://www.gnu.org/licenses/gpl.html
 
 function inv = analytic_approx (x, lambda)
+
   s = norminv (x, 0, 1) ./ sqrt (lambda);
   k = (s > -0.6833501) & (s < 1.777993);
   ## use polynomial approximations in central region
--- a/scripts/testfun/__have_feature__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/__have_feature__.m	Fri May 20 15:46:45 2016 -0700
@@ -22,11 +22,13 @@
 ## @end deftypefn
 
 function retval = __have_feature__ (feature)
+
   if (strncmp (feature, "ENABLE_", 7))
     features = __octave_config_info__ ();
   else
     features = __octave_config_info__ ("build_features");
   endif
+
   if (iscellstr (feature))
     retval = (all (isfield (features, feature))
               && cellfun (@(x) features.(x), feature));
@@ -35,6 +37,7 @@
   else
     retval = false;
   endif
+
 endfunction
 
 
--- a/scripts/testfun/__printf_assert__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/__printf_assert__.m	Fri May 20 15:46:45 2016 -0700
@@ -23,7 +23,9 @@
 
 function __printf_assert__ (varargin)
   global _assert_printf = "";
+
   _assert_printf = cat (2, _assert_printf, sprintf (varargin{:}));
+
 endfunction
 
 
--- a/scripts/testfun/__prog_output_assert__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/__prog_output_assert__.m	Fri May 20 15:46:45 2016 -0700
@@ -23,6 +23,7 @@
 
 function ret = __prog_output_assert__ (str)
   global _assert_printf = "";
+
   if (isempty (_assert_printf))
     ret = isempty (str);
   elseif (_assert_printf(end) == "\n")
@@ -30,7 +31,9 @@
   else
     ret = strcmp (_assert_printf, str);
   endif
+
   _assert_printf = "";
+
 endfunction
 
 
--- a/scripts/testfun/__run_test_suite__.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/__run_test_suite__.m	Fri May 20 15:46:45 2016 -0700
@@ -134,6 +134,7 @@
 endfunction
 
 function print_pass_fail (p, n, xf, sk)
+
   if ((n + sk) > 0)
     printf (" PASS   %4d/%-4d", p, n);
     nfail = n - p - xf;
@@ -148,43 +149,48 @@
     endif
   endif
   puts ("\n");
+
 endfunction
 
 function retval = has_functions (f)
+
   n = length (f);
   if (n > 3 && strcmpi (f((end-2):end), ".cc"))
     fid = fopen (f);
-    if (fid >= 0)
-      str = fread (fid, "*char")';
-      fclose (fid);
-      retval = ! isempty (regexp (str,'^(DEFUN|DEFUN_DLD)\>',
-                                      'lineanchors', 'once'));
-    else
+    if (fid < 0)
       error ("__run_test_suite__: fopen failed: %s", f);
     endif
+    str = fread (fid, "*char")';
+    fclose (fid);
+    retval = ! isempty (regexp (str,'^(DEFUN|DEFUN_DLD)\>',
+                                    'lineanchors', 'once'));
   elseif (n > 2 && strcmpi (f((end-1):end), ".m"))
     retval = true;
   else
     retval = false;
   endif
+
 endfunction
 
 function retval = has_tests (f)
+
   fid = fopen (f);
-  if (fid >= 0)
-    str = fread (fid, "*char")';
-    fclose (fid);
-    retval = ! isempty (regexp (str,
-                                '^%!(assert|error|fail|test|xtest|warning)',
-                                'lineanchors', 'once'));
-  else
+  if (fid < 0)
     error ("__run_test_suite__: fopen failed: %s", f);
   endif
+
+  str = fread (fid, "*char")';
+  fclose (fid);
+  retval = ! isempty (regexp (str,
+                              '^%!(assert|error|fail|test|xtest|warning)',
+                              'lineanchors', 'once'));
+
 endfunction
 
 function [dp, dn, dxf, dsk] = run_test_dir (fid, d);
   global files_with_tests;
   global files_with_no_tests;
+
   lst = dir (d);
   dp = dn = dxf = dsk = 0;
   for i = 1:length (lst)
@@ -198,6 +204,7 @@
       dsk += sk;
     endif
   endfor
+
   saved_dir = pwd ();
   unwind_protect
     cd (d);
@@ -223,6 +230,7 @@
   unwind_protect_cleanup
     cd (saved_dir);
   end_unwind_protect
+
 endfunction
 
 function [dp, dn, dxf, dsk] = run_test_script (fid, d);
@@ -230,6 +238,7 @@
   global files_with_no_tests;
   global topsrcdir;
   global topbuilddir;
+
   lst = dir (d);
   dp = dn = dxf = dsk = 0;
   for i = 1:length (lst)
@@ -242,6 +251,7 @@
       dsk += sk;
     endif
   endfor
+
   for i = 1:length (lst)
     nm = lst(i).name;
     ## Ignore hidden files
@@ -274,6 +284,7 @@
     endif
   endfor
   ##  printf("%s%s -> passes %d of %d tests\n", ident, d, dp, dn);
+
 endfunction
 
 function n = num_elts_matching_pattern (lst, pat)
--- a/scripts/testfun/demo.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/demo.m	Fri May 20 15:46:45 2016 -0700
@@ -152,8 +152,9 @@
 endfunction
 
 function clear_figures ()
-  ## Prevent proliferation of figure windows.  If any figure windows
-  ## exist, close all but one and clear the one remaining.
+
+  ## Prevent proliferation of figure windows.  If any figure windows exist,
+  ## close all but one and clear the one remaining.
   figs = __go_figure_handles__ ();
   if (! isempty (figs))
     if (numel (figs) > 1)
@@ -163,8 +164,10 @@
     endif
     clf ("reset");
   endif
+
 endfunction
 
+
 %!demo
 %! t = 0:0.01:2*pi;
 %! x = sin (t);
--- a/scripts/testfun/private/compare_plot_demos.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/private/compare_plot_demos.m	Fri May 20 15:46:45 2016 -0700
@@ -108,6 +108,7 @@
   unwind_protect_cleanup
     rmpath (cwd);
   end_unwind_protect
+
   if (! strcmp (arg.toolkits, "matlab"))
     ## Generate the html comparison of the images
     html_compare_plot_demos (arg.toolkits);
@@ -116,5 +117,6 @@
     printf ('\nNow run %s in Matlab.\nAfter this run html_compare_plot_demos,\n', arg.fcn_file);
     printf ('for example html_compare_plot_demos ({"fltk", "gnuplot", "matlab"}), to create the html page.\n');
   endif
+
 endfunction
 
--- a/scripts/testfun/private/dump_demos.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/private/dump_demos.m	Fri May 20 15:46:45 2016 -0700
@@ -95,9 +95,11 @@
 
   ## Close script
   fclose (fid);
+
 endfunction
 
 function dump_all_demos (directory, fid, fmt)
+
   dirinfo = dir (fullfile (directory, "*.m"));
   flist = {dirinfo.name};
   ## Remove uigetdir, uigetfile, uiputfile, etc.
@@ -147,9 +149,11 @@
     endfor
   endfor
   fprintf (fid, "close all\n");
+
 endfunction
 
 function retval = get_demos (fcn)
+
   [code, idx] = test (fcn, "grabdemo");
   num_demos = length (idx) - 1;
   retval = cell (1, num_demos);
@@ -157,9 +161,11 @@
   for k = 1:num_demos
     retval{k} = oct2mat (code(idx(k):idx(k+1)-1));
   endfor
+
 endfunction
 
 function code = oct2mat (code)
+
   ## Simple hacks to make things Matlab compatible
   code = strrep (code, "%!", "%%");
   code = strrep (code, "!", "~");
@@ -183,5 +189,6 @@
 
   ## Fix up sombrero which now has default argument in Octave
   code = strrep (code, "sombrero ()", "sombrero (41)");
+
 endfunction
 
--- a/scripts/testfun/rundemos.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/rundemos.m	Fri May 20 15:46:45 2016 -0700
@@ -62,6 +62,7 @@
 endfunction
 
 function run_all_demos (directory, do_class_dirs)
+
   flist = readdir (directory);
   dirs = {};
   for i = 1:numel (flist)
@@ -94,17 +95,20 @@
       run_all_demos (d, false);
     endfor
   endif
+
 endfunction
 
 function retval = has_demos (f)
+
   fid = fopen (f);
   if (f < 0)
     error ("rundemos: fopen failed: %s", f);
-  else
-    str = fread (fid, "*char").';
-    fclose (fid);
-    retval = ! isempty (regexp (str, '^%!demo', 'lineanchors', 'once'));
   endif
+
+  str = fread (fid, "*char").';
+  fclose (fid);
+  retval = ! isempty (regexp (str, '^%!demo', 'lineanchors', 'once'));
+
 endfunction
 
 
--- a/scripts/testfun/runtests.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/runtests.m	Fri May 20 15:46:45 2016 -0700
@@ -62,6 +62,7 @@
 endfunction
 
 function run_all_tests (directory, do_class_dirs)
+
   flist = readdir (directory);
   dirs = {};
   no_tests = {};
@@ -99,40 +100,45 @@
       run_all_tests (d, false);
     endfor
   endif
+
 endfunction
 
 function retval = has_functions (f)
+
   n = length (f);
   if (n > 3 && strcmpi (f((end-2):end), ".cc"))
     fid = fopen (f);
-    if (fid >= 0)
-      str = fread (fid, "*char")';
-      fclose (fid);
-      retval = ! isempty (regexp (str,'^(?:DEFUN|DEFUN_DLD|DEFUNX)\>',
-                                      'lineanchors', 'once'));
-    else
+    if (fid < 0)
       error ("runtests: fopen failed: %s", f);
     endif
+    str = fread (fid, "*char")';
+    fclose (fid);
+    retval = ! isempty (regexp (str,'^(?:DEFUN|DEFUN_DLD|DEFUNX)\>',
+                                    'lineanchors', 'once'));
   elseif (n > 2 && strcmpi (f((end-1):end), ".m"))
     retval = true;
   else
     retval = false;
   endif
+
 endfunction
 
 function retval = has_tests (f)
+
   fid = fopen (f);
-  if (fid >= 0)
-    str = fread (fid, "*char").';
-    fclose (fid);
-    retval = ! isempty (regexp (str, '^%!(?:test|xtest|assert|error|warning)',
-                                     'lineanchors', 'once'));
-  else
+  if (fid < 0)
     error ("runtests: fopen failed: %s", f);
   endif
+
+  str = fread (fid, "*char").';
+  fclose (fid);
+  retval = ! isempty (regexp (str, '^%!(?:test|xtest|assert|error|warning)',
+                                   'lineanchors', 'once'));
+
 endfunction
 
 function print_pass_fail (n, p, xf)
+
   if (n > 0)
     printf (" PASS %4d/%-4d", p, n);
     nfail = n - p;
@@ -145,6 +151,7 @@
     endif
   endif
   puts ("\n");
+
 endfunction
 
 function print_test_file_name (nm)
--- a/scripts/testfun/test.m	Fri May 20 12:03:39 2016 -0700
+++ b/scripts/testfun/test.m	Fri May 20 15:46:45 2016 -0700
@@ -689,6 +689,7 @@
 
 ## Find [start,end] of fn in 'function [a,b] = fn'.
 function pos = function_name (def)
+
   pos = [];
 
   ## Find the end of the name.
@@ -708,11 +709,13 @@
 
   ## Return the end points of the name.
   pos = [left, right];
+
 endfunction
 
 ## Strip <pattern> from '<pattern> code'.
 ## Also handles 'id=ID code'
 function [pattern, id, rest] = getpattern (str)
+
   pattern = ".";
   id = [];
   rest = str;
@@ -726,6 +729,7 @@
   elseif (strncmp (str, "id=", 3))
     [id, rest] = strtok (str(4:end));
   endif
+
 endfunction
 
 ## Strip '.*prefix:' from '.*prefix: msg\n' and strip trailing blanks.