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| author | Richard M. Stallman <rms@gnu.org> | 1996-09-10 20:02:42 +0000 |
|---|---|---|
| committer | Richard M. Stallman <rms@gnu.org> | 1996-09-10 20:02:42 +0000 |
| commit | 64fa4901500eb4c0e2259ab5044006aa161a2b3b (patch) | |
| tree | 0ca82593ce678fdaa34dc46175bb457abc2c57fe /lispref | |
| parent | 703f354890d114a5a1b2050834d3d9cb5205ea8a (diff) | |
| download | emacs-64fa4901500eb4c0e2259ab5044006aa161a2b3b.tar.gz | |
Clarify value returned by programmed completion function.
Diffstat (limited to 'lispref')
| -rw-r--r-- | lispref/minibuf.texi | 8 |
1 files 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 |