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Code Issues Releases Activity

Tweak frame-local variables entry.

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This commit is contained in:
Glenn Morris 2008-03-03 03:27:16 +00:00
parent aba08fe5f6
commit 83c7166192
1 changed files with 3 additions and 6 deletions
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9
etc/NEWS.22
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@ -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.