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.

// %NO_EDIT_WARNING%
/*

Copyright (C) 1992-2015 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/>.

*/

#if !defined (octave_version_h)
#define octave_version_h 1

#define OCTAVE_VERSION %OCTAVE_VERSION%

#define OCTAVE_MAJOR_VERSION %OCTAVE_MAJOR_VERSION%

#define OCTAVE_MINOR_VERSION %OCTAVE_MINOR_VERSION%

#define OCTAVE_PATCH_VERSION %OCTAVE_PATCH_VERSION%

// The "API version" is used as a way of checking that interfaces in the
// liboctave and libinterp libraries haven't changed in a backwardly
// incompatible way when loading .oct files.  A better way to do that is
// with library versioning, but not all systems support that.
// NOTE: This macro will be removed in a future version of Octave.  If
// you insist on checking for features using a version number, use the
// OCTAVE_MAJOR_VERSION, OCTAVE_MINOR_VERSION, and
// OCTAVE_PATCH_VERSION macros instead.
#define OCTAVE_API_VERSION %OCTAVE_API_VERSION%

#define OCTAVE_RELEASE_DATE %OCTAVE_RELEASE_DATE%

#define OCTAVE_COPYRIGHT %OCTAVE_COPYRIGHT%

#include <string>

extern OCTINTERP_API std::string octave_www_statement (bool html = false);

extern OCTINTERP_API std::string octave_contrib_statement (bool html = false);

extern OCTINTERP_API std::string octave_bugs_statement (bool html = false);

extern OCTINTERP_API std::string octave_name_version_and_copyright (void);

extern OCTINTERP_API std::string
octave_name_version_copyright_copying_and_warranty
  (bool html = false, const std::string& extra_info = std::string ());

extern OCTINTERP_API std::string
octave_name_version_copyright_copying_warranty_and_bugs
  (bool html = false, const std::string& extra_info = std::string ());

extern OCTINTERP_API std::string octave_startup_message (bool html = false);

#endif