--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,9 @@
+2011-01-29  Rik  <octave@nomad.inbox5.com>
+
+	* interpreter/octave.texi: Add new subsection on FLTK interaction.
+	* interpreter/plot.txi: Add fltk_gui_mode, fltk_mouse_wheel_zoom
+	functions to documentation.
+
 2011-01-29  Rik  <octave@nomad.inbox5.com>
 
 	* interpreter/arith.txi: Add accumdim function to documentation.

--- a/doc/interpreter/octave.texi
+++ b/doc/interpreter/octave.texi
@@ -561,6 +561,7 @@
 Graphics Toolkits
 
 * Interaction with gnuplot::    
+* Interaction with FLTK::    
 
 Matrix Manipulation
 

--- a/doc/interpreter/plot.txi
+++ b/doc/interpreter/plot.txi
@@ -3223,6 +3223,7 @@
 
 @menu
 * Interaction with gnuplot::    
+* Interaction with FLTK::    
 @end menu
 
 @node Interaction with gnuplot
@@ -3230,3 +3231,11 @@
 @cindex gnuplot interaction
 
 @DOCSTRING(gnuplot_binary)
+
+@node Interaction with FLTK
+@subsubsection Interaction with FLTK
+
+@DOCSTRING(fltk_gui_mode)
+
+@DOCSTRING(fltk_mouse_wheel_zoom)
+

--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,7 @@
+2010-01-29  Rik  <octave@nomad.inbox5.com>
+
+	* plot/gnuplot_binary.in: Improve docstring
+
 2010-01-29  Rik  <octave@nomad.inbox5.com>
 
 	* general/accumarray.m: Add seealso reference to accumdim.

--- a/scripts/plot/gnuplot_binary.in
+++ b/scripts/plot/gnuplot_binary.in
@@ -20,9 +20,10 @@
 ## @deftypefn  {Loadable Function} {[@var{prog}, @var{args}] =} gnuplot_binary ()
 ## @deftypefnx {Loadable Function} {[@var{old_prog}, @var{old_args}] =} gnuplot_binary (@var{new_prog}, @var{arg1}, @dots{})
 ## Query or set the name of the program invoked by the plot command
-## and any arguments to pass to it.  Previous arguments are returned
-## as a cell array.
-## The default value @code{\"gnuplot\"}.  @xref{Installation}.
+## when the graphics toolkit is set to "gnuplot".  Additional arguments to
+## pass to the external plotting program may also be given.
+## The default value is @code{"gnuplot"} without additional arguments.
+## @xref{Installation}.
 ## @end deftypefn
 
 ## Author: jwe

--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2011-01-29  Rik  <octave@nomad.inbox5.com>
+
+	* DLD-FUNCTIONS/__init_fltk__.cc (fltk_gui_mode, fltk_mouse_wheel_zoom):
+	Improve docstrings.
+
+	* graphics.cc (available_graphics_toolkits): Fix typo in docstring.
+
 2011-01-29  Rik  <octave@nomad.inbox5.com>
 
 	* syscalls.cc (S_ISSOCK, S_ISCHR): Improve docstrings

--- a/src/DLD-FUNCTIONS/__init_fltk__.cc
+++ b/src/DLD-FUNCTIONS/__init_fltk__.cc
@@ -1970,7 +1970,8 @@
   "-*- texinfo -*-\n\
 @deftypefn  {Built-in Function} {@var{speed} =} fltk_mouse_wheel_zoom ()\n\
 @deftypefnx {Built-in Function} {} fltk_mouse_wheel_zoom (@var{speed})\n\
-Query or set the mouse wheel zoom factor in the fltk graphics toolkit.\n\
+Query or set the mouse wheel zoom factor in the FLTK graphics toolkit.\n\
+@seealso{fltk_gui_mode}\n\
 @end deftypefn")
 {
   octave_value retval = wheel_zoom_speed;
@@ -2002,6 +2003,7 @@
 @item 'none'\n\
 Mouse inputs have no effect.\n\
 @end table\n\
+@seealso{fltk_mouse_wheel_zoom}\n\
 @end deftypefn")
 {
   caseless_str mode_str;
@@ -2036,7 +2038,7 @@
     }
 
   if (failed)
-    error ("MODE must be one of the strings: \"2D\", \"3D\", or \"None\"");
+    error ("MODE must be one of the strings: \"2D\", \"3D\", or \"none\"");
 
 
   return octave_value(mode_str);

--- a/src/graphics.cc
+++ b/src/graphics.cc
@@ -6763,7 +6763,7 @@
 
 DEFUN (available_graphics_toolkits, , ,
    "-*- texinfo -*-\n\
-@deftypefn {Built-in Function} {} available_graphiscs_toolkits ()\n\
+@deftypefn {Built-in Function} {} available_graphics_toolkits ()\n\
 Return a cell array of registered graphics toolkits.\n\
 @end deftypefn")
 {