doc: Update more docstrings to have one sentence summary as first line. Reviewed miscellaneous, sparse, strings in scripts directory. * scripts/miscellaneous/bzip2.m, scripts/miscellaneous/citation.m, scripts/miscellaneous/compare_versions.m, scripts/miscellaneous/computer.m, scripts/miscellaneous/debug.m, scripts/miscellaneous/dir.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/error_ids.m, scripts/miscellaneous/fileattrib.m, scripts/miscellaneous/fullfile.m, scripts/miscellaneous/genvarname.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/mkoctfile.m, scripts/miscellaneous/news.m, scripts/miscellaneous/open.m, scripts/miscellaneous/parseparams.m, scripts/miscellaneous/recycle.m, scripts/miscellaneous/run.m, scripts/miscellaneous/swapbytes.m, scripts/miscellaneous/tar.m, scripts/miscellaneous/tmpnam.m, scripts/miscellaneous/unpack.m, scripts/miscellaneous/what.m, scripts/sparse/bicg.m, scripts/sparse/bicgstab.m, scripts/sparse/cgs.m, scripts/sparse/colperm.m, scripts/sparse/eigs.m, scripts/sparse/etreeplot.m, scripts/sparse/gmres.m, scripts/sparse/gplot.m, scripts/sparse/ichol.m, scripts/sparse/ilu.m, scripts/sparse/pcg.m, scripts/sparse/pcr.m, scripts/sparse/qmr.m, scripts/sparse/spaugment.m, scripts/sparse/spconvert.m, scripts/sparse/spdiags.m, scripts/sparse/spfun.m, scripts/sparse/spones.m, scripts/sparse/sprandsym.m, scripts/sparse/spstats.m, scripts/sparse/spy.m, scripts/sparse/svds.m, scripts/sparse/treelayout.m, scripts/sparse/treeplot.m, scripts/strings/base2dec.m, scripts/strings/bin2dec.m, scripts/strings/blanks.m, scripts/strings/cstrcat.m, scripts/strings/deblank.m, scripts/strings/dec2base.m, scripts/strings/dec2bin.m, scripts/strings/dec2hex.m, scripts/strings/findstr.m, scripts/strings/hex2dec.m, scripts/strings/index.m, scripts/strings/isletter.m, scripts/strings/isstrprop.m, scripts/strings/mat2str.m, scripts/strings/ostrsplit.m, scripts/strings/regexptranslate.m, scripts/strings/rindex.m, scripts/strings/str2num.m, scripts/strings/strcat.m, scripts/strings/strchr.m, scripts/strings/strjoin.m, scripts/strings/strjust.m, scripts/strings/strmatch.m, scripts/strings/strsplit.m, scripts/strings/strtok.m, scripts/strings/strtrim.m, scripts/strings/strtrunc.m, scripts/strings/substr.m, scripts/strings/untabify.m, scripts/time/datenum.m: Update more docstrings to have one sentence summary as first line.

## Copyright (C) 2006-2015 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING.  If not, see
## <http://www.gnu.org/licenses/>.

%% Basic tests
%!test
%! scalar = 2;
%! assert (scalar', 2);

%!test
%! range = 1:4;
%! assert (range', [1;2;3;4]);

%!test
%! vector = [1;2;3;4];
%! assert (vector', [1,2,3,4]);

%!test
%! matrix = [1,2;3,4];
%! assert (matrix', [1,3;2,4]);

%% Basic tests on complex numbers
%!test
%! scalar = 2i;
%! assert (scalar', -2i);

%!test
%! range = (1:4)*i;
%! assert (range', [-1i;-2i;-3i;-4i]);

%!test
%! vector = [1;2;3;4]*i;
%! assert (vector', [-1i,-2i,-3i,-4i]);

%!test
%! matrix = [1,2;3,4]*i;
%! assert (matrix', [-1i,-3i;-2i,-4i]);

%% Test non-Hermitian transpose
%!test
%! scalar = 2i;
%! assert (scalar.', 2i);

%!test
%! range = (1:4)*i;
%! assert (range.', [1i;2i;3i;4i]);

%!test
%! vector = [1;2;3;4]*i;
%! assert (vector.', [1i,2i,3i,4i]);

%!test
%! matrix = [1,2;3,4]*i;
%! assert (matrix.', [1i,3i;2i,4i]);

%% Basic tests on float complex numbers
%!test
%! scalar = single (2i);
%! assert (scalar', single (-2i));

%!test
%! range = single ((1:4)*i);
%! assert (range', single ([-1i;-2i;-3i;-4i]));

%!test
%! vector = single ([1;2;3;4]*i);
%! assert (vector', single ([-1i,-2i,-3i,-4i]));

%!test
%! matrix = single ([1,2;3,4]*i);
%! assert (matrix', single ([-1i,-3i;-2i,-4i]));