--- a/libinterp/corefcn/__gammainc__.cc	Mon Mar 19 18:20:53 2018 -0700
+++ b/libinterp/corefcn/__gammainc__.cc	Mon Mar 19 18:27:10 2018 -0700
@@ -29,7 +29,7 @@
 #include "defun.h"
 #include "fNDArray.h"
 
-DEFUN (__gammainc__, args, , 
+DEFUN (__gammainc__, args, ,
        doc: /* -*- texinfo -*-
 @deftypefn {} {@var{y} =} __gammainc__ (@var{x}, @var{a})
 Continued fraction for incomplete gamma function.

--- a/scripts/pkg/pkg.m	Mon Mar 19 18:20:53 2018 -0700
+++ b/scripts/pkg/pkg.m	Mon Mar 19 18:27:10 2018 -0700
@@ -39,7 +39,7 @@
 ## @end example
 ##
 ## @noindent
-## installs the package found in the file @file{image-1.0.0.tar.gz}.  The 
+## installs the package found in the file @file{image-1.0.0.tar.gz}.  The
 ## file containing the package can be an url, e.g.
 ##
 ## @example
@@ -48,7 +48,7 @@
 ##
 ## @noindent
 ## installs the package found in the given url.  This
-## requires an internet connection and the cURL library.  
+## requires an internet connection and the cURL library.
 ##
 ## @noindent
 ## @emph{Security risk}: no verification of the package is performed
@@ -57,8 +57,8 @@
 ##
 ## @noindent
 ## @emph{No support}: the GNU Octave community is not responsible for
-## packages installed from foreign sites.  For support or for 
-## reporting bugs you need to contact the maintainers of the installed 
+## packages installed from foreign sites.  For support or for
+## reporting bugs you need to contact the maintainers of the installed
 ## package directly (see the @file{DESCRIPTION} file of the package)
 ##
 ## The @var{option} variable can contain options that affect the manner
@@ -421,7 +421,7 @@
 
             for file_idx = find (external_files_mask)
 
-              warning ('Octave:security', 
+              warning ('Octave:security',
               ['You are installing from an unofficial source.\n' ...
                'The GNU Octave community is not responsible' ...
                ' for the content of this package.\n' ...

--- a/scripts/plot/draw/hist.m	Mon Mar 19 18:20:53 2018 -0700
+++ b/scripts/plot/draw/hist.m	Mon Mar 19 18:27:10 2018 -0700
@@ -334,7 +334,7 @@
 %! hf = figure ("visible", "off");
 %! hax = gca;
 %! unwind_protect
-%!   fail ("hist (hax, 1, [2 1 0])", "warning", "bin values X not sorted"); 
+%!   fail ("hist (hax, 1, [2 1 0])", "warning", "bin values X not sorted");
 %! unwind_protect_cleanup
 %!   close (hf);
 %! end_unwind_protect

--- a/scripts/specfun/gammainc.m	Mon Mar 19 18:20:53 2018 -0700
+++ b/scripts/specfun/gammainc.m	Mon Mar 19 18:27:10 2018 -0700
@@ -77,7 +77,7 @@
 ## @nospell{Dover publications, Inc.}, 1972.
 ##
 ## @nospell{W. Gautschi},
-## @cite{A computational procedure for incomplete gamma functions}, 
+## @cite{A computational procedure for incomplete gamma functions},
 ## @nospell{ACM Trans. Math Software}, pp. 466--481, Vol 5, No. 4, 2012.
 ##
 ## @nospell{W. H. Press, S. A. Teukolsky, W. T. Vetterling, and B. P. Flannery},
@@ -100,7 +100,7 @@
     error ("gammainc: X and A must be of common size or scalars");
   endif
 
-  if (iscomplex (x) || iscomplex (a)) 
+  if (iscomplex (x) || iscomplex (a))
     error ("gammainc: all inputs must be real");
   endif
 
@@ -464,7 +464,7 @@
 
 ## Test: case 8
 %!assert (gammainc (-10, 10), 3.112658265341493126871617e7, -2*eps)
-## Matlab fails this next one%!      %!      
+## Matlab fails this next one%!      %!
 %!assert (isreal (gammainc (-10, 10)), true)
 %!assert (gammainc (-10, 10.1, "upper"), ...
 %!        -2.9582761911890713293e7-1i * 9.612022339061679758e6, -30*eps)
@@ -473,7 +473,7 @@
 %!assert (gammainc (-10, 10, "scaledlower"), 0.5128019364747265, -1e-14);
 %!assert (gammainc (-10, 10, "scaledupper"), -0.5128019200000000, -1e-14);
 %!assert (gammainc (200, 201, "upper"), 0.518794309678684497, -2 * eps);
-%!assert (gammainc (200, 201, "scaledupper"), 
+%!assert (gammainc (200, 201, "scaledupper"),
 %!        18.4904360746560462660798514, -eps)
 ## Here we are very good (no D (x,a)) involved
 %!assert (gammainc(1000, 1000.5, "scaledlower"), 39.48467539583672271, -2*eps)