From d595eca0e75840538a490a58f1a3b0c0abdded7b Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Tue, 10 Sep 1996 20:02:42 +0000 Subject: [PATCH] Clarify value returned by programmed completion function. --- lispref/minibuf.texi | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/lispref/minibuf.texi b/lispref/minibuf.texi index 380cbca3aa3..f1d2569a466 100644 --- a/lispref/minibuf.texi +++ b/lispref/minibuf.texi @@ -1060,8 +1060,12 @@ A flag specifying the type of operation. @item @code{nil} specifies @code{try-completion}. The completion function should return the completion of the specified string, or @code{t} if the -string is an exact match already, or @code{nil} if the string matches no -possibility. +string is a unique and exact match already, or @code{nil} if the string +matches no possibility. + +If the string is an exact match for one possibility, but also matches +other longer possibilities, the function shuold return the string, not +@code{t}. @item @code{t} specifies @code{all-completions}. The completion function -- 2.39.2