[Emacs-diffs] Changes to emacs/src/minibuf.c,v

[Eli Zaretskii]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Eli Zaretskii <eliz>    07/01/27 18:00:28

Index: minibuf.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/minibuf.c,v
retrieving revision 1.319
retrieving revision 1.320
diff -u -b -r1.319 -r1.320
--- minibuf.c   21 Jan 2007 04:18:15 -0000      1.319
+++ minibuf.c   27 Jan 2007 18:00:28 -0000      1.320
@@ -1686,11 +1686,16 @@
 DEFUN ("completing-read", Fcompleting_read, Scompleting_read, 2, 8, 0,
        doc: /* Read a string in the minibuffer, with completion.
 PROMPT is a string to prompt with; normally it ends in a colon and a space.
-TABLE can be a list of strings, an alist, an obarray or a hash table.
-TABLE can also be a function to do the completion itself.
+
+TABLE can be a list of strings, an alist, an obarray or a hash table; their
+elements are tested to see if they begin with STRING.
+TABLE can also be a function to do the completion itself; it receives
+three arguments: the values STRING, PREDICATE and nil.
+Whatever it returns becomes the value of `try-completion'.
+
 PREDICATE limits completion to a subset of TABLE.
 See `try-completion' and `all-completions' for more details
- on completion, TABLE, and PREDICATE.
+ on completion, TABLE (called "alist" there), and PREDICATE.
 
 If REQUIRE-MATCH is non-nil, the user is not allowed to exit unless
  the input is (or completes to) an element of TABLE or is null.