*** empty log message ***

diff --git a/lisp/composite.el b/lisp/composite.el
index abbcd391e3d7abbceb9c43754b0c9c4e5dae9c08..4307bfe5d652896313f1abcb73a4a0704eaa378d 100644 (file)
--- a/lisp/composite.el
+++ b/lisp/composite.el
@@ -158,13 +158,17 @@ follows (the point `*' corresponds to both reference points):
 (defun compose-region (start end &optional components modification-func)
   "Compose characters in the current region.
 
+Characters are composed relatively, i.e. composed by overstricking or
+stacking depending on ascent, descent and other properties.
+
 When called from a program, expects these four arguments.
 
 First two arguments START and END are positions (integers or markers)
 specifying the region.
 
 Optional 3rd argument COMPONENTS, if non-nil, is a character or a
-sequence (vector, list, or string) of integers.
+sequence (vector, list, or string) of integers.  In this case,
+characters are composed not relatively but according to COMPONENTS.
 
 If it is a character, it is an alternate character to display instead
 of the text in the region.