--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,8 @@
+2010-10-24  Rik  <octave@nomad.inbox5.com>
+
+	* miscellaneous/compare_versions.m, plot/ylabel.m, plot/ylim.m, 
+	  plot/zlabel.m, plot/zlim.m: Docstring improvements.
+
 2010-10-24  Rik  <octave@nomad.inbox5.com>
 
 	* specfun/module.mk, deprecated/module.mk, deprecated/betai.m, 

--- a/scripts/miscellaneous/compare_versions.m
+++ b/scripts/miscellaneous/compare_versions.m
@@ -18,16 +18,16 @@
 
 ## -*- texinfo -*-
 ## @deftypefn {Function File} {} compare_versions (@var{v1}, @var{v2}, @var{operator})
-## Compares to version strings using the given @var{operator}.
+## Compare two version strings using the given @var{operator}.
 ##
 ## This function assumes that versions @var{v1} and @var{v2} are
 ## arbitrarily long strings made of numeric and period characters
 ## possibly followed by an arbitrary string (e.g., "1.2.3", "0.3",
 ## "0.1.2+", or "1.2.3.4-test1").
 ##
-## The version is first split into the numeric and the character parts
-## then the parts are padded to be the same length (i.e., "1.1" would be
-## padded to be like "1.1.0" when being compared with "1.1.1", and
+## The version is first split into numeric and character portions
+## and then the parts are padded to be the same length (i.e., "1.1" would be
+## padded to be "1.1.0" when being compared with "1.1.1", and
 ## separately, the character parts of the strings are padded with
 ## nulls).
 ##
@@ -63,7 +63,7 @@
 ## not equal
 ## @end itemize
 ##
-## Note that version "1.1-test2" would compare as greater than
+## Note that version "1.1-test2" will compare as greater than
 ## "1.1-test10".  Also, since the numeric part is compared first, "a"
 ## compares less than "1a" because the second string starts with a
 ## numeric part even though double("a") is greater than double("1").

--- a/scripts/plot/ylabel.m
+++ b/scripts/plot/ylabel.m
@@ -20,7 +20,7 @@
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {} ylabel (@var{string})
 ## @deftypefnx {Function File} {} ylabel (@var{h}, @var{string})
-## @seealso{xlabel}.
+## @seealso{xlabel}
 ## @end deftypefn
 
 ## Author: jwe

--- a/scripts/plot/ylim.m
+++ b/scripts/plot/ylim.m
@@ -17,14 +17,14 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn  {Function File} {@var{xl} =} ylim ()
-## @deftypefnx {Function File} {} ylim (@var{xl})
+## @deftypefn  {Function File} {@var{yl} =} ylim ()
+## @deftypefnx {Function File} {} ylim (@var{yl})
 ## @deftypefnx {Function File} {@var{m} =} ylim ('mode')
 ## @deftypefnx {Function File} {} ylim (@var{m})
 ## @deftypefnx {Function File} {} ylim (@var{h}, @dots{})
 ## Get or set the limits of the y-axis of the current plot.  Called without
 ## arguments @code{ylim} returns the y-axis limits of the current plot.
-## If passed a two element vector @var{xl}, the limits of the y-axis are set
+## If passed a two element vector @var{yl}, the limits of the y-axis are set
 ## to this value.
 ##
 ## The current mode for calculation of the y-axis can be returned with a

--- a/scripts/plot/zlabel.m
+++ b/scripts/plot/zlabel.m
@@ -20,7 +20,7 @@
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {} zlabel (@var{string})
 ## @deftypefnx {Function File} {} zlabel (@var{h}, @var{string})
-## @seealso{xlabel}.
+## @seealso{xlabel}
 ## @end deftypefn
 
 ## Author: jwe

--- a/scripts/plot/zlim.m
+++ b/scripts/plot/zlim.m
@@ -17,14 +17,14 @@
 ## <http://www.gnu.org/licenses/>.
 
 ## -*- texinfo -*-
-## @deftypefn  {Function File} {@var{xl} =} zlim ()
-## @deftypefnx {Function File} {} zlim (@var{xl})
+## @deftypefn  {Function File} {@var{zl} =} zlim ()
+## @deftypefnx {Function File} {} zlim (@var{zl})
 ## @deftypefnx {Function File} {@var{m} =} zlim ('mode')
 ## @deftypefnx {Function File} {} zlim (@var{m})
 ## @deftypefnx {Function File} {} zlim (@var{h}, @dots{})
 ## Get or set the limits of the z-axis of the current plot.  Called without
 ## arguments @code{zlim} returns the z-axis limits of the current plot.
-## If passed a two element vector @var{xl}, the limits of the z-axis are set
+## If passed a two element vector @var{zl}, the limits of the z-axis are set
 ## to this value.
 ##
 ## The current mode for calculation of the z-axis can be returned with a

deleted file mode 100644
--- a/scripts/specfun/betai.m
+++ /dev/null
@@ -1,40 +0,0 @@
-## Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2005, 2006,
-##               2007 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/>.
-
-## -*- texinfo -*-
-## @deftypefn {Function File} {} betai (@var{a}, @var{b}, @var{x})
-## This function is provided for compatibility with older versions of
-## Octave.  New programs should use betainc instead.
-##
-## @code{betai (@var{a}, @var{b}, @var{x})} is the same as @code{betainc
-## (@var{x}, @var{a}, @var{b})}. 
-## @end deftypefn
-
-## Author: jwe
-## Created: 30 Jan 1998
-
-function retval = betai (a, b, x)
-
-  if (nargin == 3)
-    retval = betainc (x, a, b);
-  else
-    print_usage ();
-  endif
-
-endfunction

deleted file mode 100644
--- a/scripts/specfun/gammai.m
+++ /dev/null
@@ -1,40 +0,0 @@
-## Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2005, 2006,
-##               2007 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/>.
-
-## -*- texinfo -*-
-## @deftypefn {Function File} {} gammai (@var{a}, @var{x})
-## This function is provided for compatibility with older versions of
-## Octave.  New programs should use @code{gammainc} instead.
-##
-## @code{gammai (@var{a}, @var{x})} is the same as @code{gammainc
-## (@var{x}, @var{a})}.
-## @end deftypefn
-
-## Author: jwe
-## Created: 30 Jan 1998
-
-function retval = gammai (a, x)
-
-  if (nargin == 2)
-    retval = gammainc (x, a);
-  else
-    print_usage ();
-  endif
-
-endfunction

--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-24  Rik  <octave@nomad.inbox5.com>
+
+	* DLD-FUNCTIONS/tril.cc, syscalls.cc: Docstring improvements.
+
 2010-10-24  Rik  <octave@nomad.inbox5.com>
 
 	* variables.cc: Deprecate is_global function

--- a/src/DLD-FUNCTIONS/tril.cc
+++ b/src/DLD-FUNCTIONS/tril.cc
@@ -347,7 +347,7 @@
 @deftypefnx {Function File} {} triu (@var{a})\n\
 @deftypefnx {Function File} {} triu (@var{a}, @var{k})\n\
 @deftypefnx {Function File} {} triu (@var{a}, @var{k}, @var{pack})\n\
-Return a new matrix formed by extracting extract the lower (@code{tril})\n\
+Return a new matrix formed by extracting the lower (@code{tril})\n\
 or upper (@code{triu}) triangular part of the matrix @var{a}, and\n\
 setting all other elements to zero.  The second argument is optional,\n\
 and specifies how many diagonals above or below the main diagonal should\n\

--- a/src/syscalls.cc
+++ b/src/syscalls.cc
@@ -1709,7 +1709,7 @@
 @deftypefn {Built-in Function} {} O_APPEND ()\n\
 Return the numerical value of the file status flag that may be\n\
 returned by @code{fcntl} to indicate each write operation appends,\n\
-or that may be passed to @code{fcntl} to set the write mode to append.\\n\
+or that may be passed to @code{fcntl} to set the write mode to append.\n\
 @seealso{fcntl, O_ASYNC, O_CREAT, O_EXCL, O_NONBLOCK, O_RDONLY, O_RDWR, O_SYNC, O_TRUNC, O_WRONLY}\n\
 @end deftypefn")
 {