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* doc/lispref/frames.texi (Display Feature Testing): Add indexes.

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Xue Fuqiao 2013-08-13 10:45:12 +08:00
parent 5514cc4c84
commit 916119ec9e
3 changed files with 4 additions and 1 deletions
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doc/lispref/ChangeLog
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@ -1,6 +1,6 @@
2013-08-13 Xue Fuqiao <xfq.free@gmail.com>
* frames.texi (Display Feature Testing): Add an index.
* frames.texi (Display Feature Testing): Add indexes.
2013-08-12 Glenn Morris <rgm@gnu.org>

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doc/lispref/frames.texi
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@ -2403,6 +2403,7 @@ Values can be the symbols @code{always}, @code{when-mapped}, or
when the question is inapplicable to a certain kind of display.
@end defun
@cindex SaveUnder feature
@defun display-save-under &optional display
This function returns non-@code{nil} if the display supports the
SaveUnder feature. That feature is used by pop-up windows

2
lisp/frame.el
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@ -1442,6 +1442,8 @@ monitor, use `display-monitor-attributes-list'."
(declare-function x-display-backing-store "xfns.c" (&optional terminal))
;; In NS port, the return value may be `buffered', `retained', or
;; `non-retained'. See src/nsfns.m.
(defun display-backing-store (&optional display)
"Return the backing store capability of DISPLAY's screen.
The value may be `always', `when-mapped', `not-useful', or nil if