Make the references to features in the help more consistent. (Sylvain Hitier)
diff --git a/runtime/doc/windows.txt b/runtime/doc/windows.txt
index 48fd416..6e18b40 100644
--- a/runtime/doc/windows.txt
+++ b/runtime/doc/windows.txt
@@ -1,4 +1,4 @@
-*windows.txt*   For Vim version 7.3g.  Last change: 2010 Apr 12
+*windows.txt*   For Vim version 7.3g.  Last change: 2010 Aug 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -439,7 +439,7 @@
 		current window and then creating another one with
 		":vert topleft split", except that the current window contents
 		is used for the new window.
-		{not available when compiled without the +vertsplit feature}
+		{not available when compiled without the |+vertsplit| feature}
 
 						*CTRL-W_L*
 CTRL-W L	Move the current window to be at the far right, using the full
@@ -447,7 +447,7 @@
 		current window and then creating another one with
 		":vert botright split", except that the current window
 		contents is used for the new window.
-		{not available when compiled without the +vertsplit feature}
+		{not available when compiled without the |+vertsplit| feature}
 
 						*CTRL-W_T*
 CTRL-W T	Move the current window to a new tab page.  This fails if
@@ -645,7 +645,7 @@
 		When using the |:tab| modifier each argument is opened in a
 		tab page.  The last window is used if it's empty.
 		Also see |++opt| and |+cmd|.
-		{only available when compiled with the +gui feature}
+		{only available when compiled with a GUI}
 
 ==============================================================================
 8. Do a command in all buffers or windows			*list-repeat*