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| author | Glenn Morris <rgm@gnu.org> | 2006-12-10 03:05:30 +0000 |
|---|---|---|
| committer | Glenn Morris <rgm@gnu.org> | 2006-12-10 03:05:30 +0000 |
| commit | 4e34846db4ee44e542637d23d3fc24ec6f5bea3b (patch) | |
| tree | 3618831e1bf6be89ef4bcdbb50d060372b521d71 /lispref | |
| parent | 8d4a66af92cb6f34559757a8fcc7be50ae049c20 (diff) | |
| download | emacs-4e34846db4ee44e542637d23d3fc24ec6f5bea3b.tar.gz | |
(Defining Abbrevs): Mention `define-abbrev' 'force
value for system-flag argument.
Diffstat (limited to 'lispref')
| -rw-r--r-- | lispref/abbrevs.texi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lispref/abbrevs.texi b/lispref/abbrevs.texi index 52b3dfe1ad6..56d08c7393b 100644 --- a/lispref/abbrevs.texi +++ b/lispref/abbrevs.texi @@ -165,7 +165,10 @@ returns @code{nil}, @code{expand-abbrev} also returns @code{nil}, as if expansion had not really occurred. If @var{system-flag} is non-@code{nil}, that marks the abbrev as a -``system'' abbrev with the @code{system-type} property. +``system'' abbrev with the @code{system-type} property. Unless +@var{system-flag} has the value @code{force}, a ``system'' abbrev will +not overwrite an existing definition for a non-``system'' abbrev of the +same name. Normally the function @code{define-abbrev} sets the variable @code{abbrevs-changed} to @code{t}, if it actually changes the abbrev. |