--- a/scripts/plot/plotyy.m
+++ b/scripts/plot/plotyy.m
@@ -24,15 +24,15 @@
 ## @deftypefnx {Function File} {[@var{ax}, @var{h1}, @var{h2}] =} plotyy (@dots{})
 ## Plots two sets of data with independent y-axes.  The arguments @var{x1} and
 ## @var{y1} define the arguments for the first plot and @var{x1} and @var{y2}
-## for the second. 
+## for the second.
 ##
-## By default the arguments are evaluated with 
+## By default the arguments are evaluated with
 ## @code{feval (@@plot, @var{x}, @var{y})}.  However the type of plot can be
 ## modified with the @var{fun} argument, in which case the plots are
-## generated by @code{feval (@var{fun}, @var{x}, @var{y})}.  @var{fun} can be 
+## generated by @code{feval (@var{fun}, @var{x}, @var{y})}.  @var{fun} can be
 ## a function handle, an inline function or a string of a function name.
 ##
-## The function to use for each of the plots can be independently defined 
+## The function to use for each of the plots can be independently defined
 ## with @var{fun1} and @var{fun2}.
 ##
 ## If given, @var{h} defines the principal axis in which to plot the @var{x1}
@@ -42,7 +42,7 @@
 ##
 ## @example
 ## @group
-## x = 0:0.1:2*pi; 
+## x = 0:0.1:2*pi;
 ## y1 = sin (x);
 ## y2 = exp (x - 1);
 ## ax = plotyy (x, y1, x - 1, y2, @@plot, @@semilogy);
@@ -56,7 +56,7 @@
 function [Ax, H1, H2] = plotyy (varargin)
 
   ## Don't use __plt_get_axis_arg__ here as ax is a two vector for plotyy
-  if (nargin > 1 && length (varargin{1}) == 2 && ishandle(varargin{1}(1)) 
+  if (nargin > 1 && length (varargin{1}) == 2 && ishandle(varargin{1}(1))
       && ishandle(varargin{1}(2))
       && all (floor (varargin{1}) != varargin{1}))
     obj1 = get (varargin{1}(1));
@@ -97,7 +97,7 @@
     if (nargin < 2)
       varargin = {};
     endif
-  endif 
+  endif
 
   if (nargin < 4)
     print_usage ();
@@ -169,12 +169,12 @@
   set (ax(2), "xlim", xlim);
   set (ax(2), "color", "none");
 
-  ## Add invisible text objects that when destroyed, 
+  ## Add invisible text objects that when destroyed,
   ## also remove the other axis
-  t1 = text (0, 0, "", "parent", ax(1), "tag", "plotyy", 
+  t1 = text (0, 0, "", "parent", ax(1), "tag", "plotyy",
              "handlevisibility", "off", "visible", "off",
              "xliminclude", "off", "yliminclude", "off");
-  t2 = text (0, 0, "", "parent", ax(2), "tag", "plotyy", 
+  t2 = text (0, 0, "", "parent", ax(2), "tag", "plotyy",
              "handlevisibility", "off", "visible", "off",
              "xliminclude", "off", "yliminclude", "off");
 
@@ -199,12 +199,12 @@
   set (ax(2), "userdata", ax(1));
 
   ## Store the axes handles for the sister axes.
-  try 
+  try
     addproperty ("__plotyy_axes__", ax(1), "data", ax);
   catch
     set (ax(1), "__plotyy_axes__", ax);
   end_try_catch
-  try 
+  try
     addproperty ("__plotyy_axes__", ax(2), "data", ax);
   catch
     set (ax(2), "__plotyy_axes__", ax);
@@ -213,7 +213,7 @@
 
 %!demo
 %! clf
-%! x = 0:0.1:2*pi; 
+%! x = 0:0.1:2*pi;
 %! y1 = sin (x);
 %! y2 = exp (x - 1);
 %! ax = plotyy (x, y1, x - 1, y2, @plot, @semilogy);
@@ -267,7 +267,7 @@
       if (! (isequal (position, oldposition) && isequal (view, oldview)))
         set (ax2, "position", position, "view", view)
       endif
-      if (! (isequal (plotboxaspectratio, oldplotboxaspectratio) 
+      if (! (isequal (plotboxaspectratio, oldplotboxaspectratio)
              && isequal (plotboxaspectratiomode, oldplotboxaspectratiomode)))
         set (ax2, "plotboxaspectratio", plotboxaspectratio);
         set (ax2, "plotboxaspectratiomode", plotboxaspectratiomode);
@@ -275,7 +275,7 @@
     unwind_protect_cleanup
       recursion = false;
     end_unwind_protect
-  endif  
+  endif
 endfunction
 
 function color = getcolor (ax)