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authorGlenn Morris <rgm@gnu.org>2008-03-03 03:27:06 +0000
committerGlenn Morris <rgm@gnu.org>2008-03-03 03:27:06 +0000
commitee199d9e65fd6ccbdb77d0016eb8b2664e335590 (patch)
treea8e0b84d4d8ad993431155f3cf9c165359102a0d
parent1344a1f99e110e040d69325f27a6d2afd26a7535 (diff)
downloademacs-ee199d9e65fd6ccbdb77d0016eb8b2664e335590.tar.gz
Tweak frame-local variables entry.
-rw-r--r--etc/NEWS9
1 files changed, 3 insertions, 6 deletions
diff --git a/etc/NEWS b/etc/NEWS
index 5971c479658..141db1fd2eb 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -138,12 +138,9 @@ because they clash with commands provided by dirtrack.el. Use
They can easily be emulated. Rather than calling `make-variable-frame-local'
and accessing the variable value directly, explicitly check for a
frame-parameter, and if there is one, use its value in preference to
-that of the variable. Eg:
-(let ((fp (assoc 'var (frame-parameters))))
- ;; Use frame-parameter, even if nil.
- (if fp (cdr fp)
- ;; Else use normal variable value.
- var))
+that of the variable. Note that buffer-local values should take
+preference over frame-local ones, so you may wish to check `local-variable-p'
+first.
** The function invisible-p returns non-nil if the character
after a specified position is invisible.