allegro/docs/src allegro._tx,1.203,1.204

[<gr...@us...>]

Update of /cvsroot/alleg/allegro/docs/src
In directory sc8-pr-cvs1:/tmp/cvs-serv11578/docs/src

Modified Files:
	allegro._tx 
Log Message:
Asserting height to bigger than zero during bitmap creation.

Index: allegro._tx
===================================================================
RCS file: /cvsroot/alleg/allegro/docs/src/allegro._tx,v
retrieving revision 1.203
retrieving revision 1.204
diff -u -d -r1.203 -r1.204
--- allegro._tx	18 Dec 2003 11:31:00 -0000	1.203
+++ allegro._tx	28 Dec 2003 21:37:50 -0000	1.204
@@ -3590,7 +3590,8 @@
    set to the full size of the bitmap. The image memory will not be cleared, 
    so it will probably contain garbage: you should clear the bitmap before 
    using it. This routine always uses the global pixel format, as specified 
-   by calling set_color_depth().
+   by calling set_color_depth(). The minimum height of the BITMAP must be 1
+   and width can't be negative.
 
 @@BITMAP *@create_bitmap_ex(int color_depth, int width, int height);
 @xref create_bitmap, create_sub_bitmap, create_video_bitmap
@@ -3637,8 +3638,9 @@
 @xref create_bitmap, load_bitmap
 @eref Available Allegro examples
    Destroys a memory bitmap, sub-bitmap, video memory bitmap, or system 
-   bitmap when you are finished with it. See above for the restrictions
-   as to when you are allowed to destroy the various types of bitmaps.
+   bitmap when you are finished with it. If you pass a NULL pointer this
+   function won't do anything. See above for the restrictions as to when you
+   are allowed to destroy the various types of bitmaps.
 
 @@void @lock_bitmap(BITMAP *bitmap);
    Under DOS, locks all the memory used by a bitmap. You don't normally need