41.22 Blinking Parentheses
This section describes the mechanism by which Emacs shows a matching
open parenthesis when the user inserts a close parenthesis.
- Variable: blink-paren-function ¶
The value of this variable should be a function (of no arguments) to
be called whenever a character with close parenthesis syntax is inserted.
The value of
blink-paren-function may be
nil, in which
case nothing is done.
- User Option: blink-matching-paren ¶
If this variable is
- User Option: blink-matching-paren-distance ¶
This variable specifies the maximum distance to scan for a matching
parenthesis before giving up.
- User Option: blink-matching-delay ¶
This variable specifies the number of seconds to keep indicating the
matching parenthesis. A fraction of a second often gives good
results, but the default is 1, which works on all systems.
- Command: blink-matching-open ¶
This function is the default value of
assumes that point follows a character with close parenthesis syntax
and applies the appropriate effect momentarily to the matching opening
character. If that character is not already on the screen, it
displays the character’s context in the echo area. To avoid long
delays, this function does not search farther than
Here is an example of calling this function explicitly.
(defun interactive-blink-matching-open ()
"Indicate momentarily the start of parenthesized sexp before point."