From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 24 Sep 2011 14:38:16 +0000 (+0300)
Subject: Change the default value of redisplay-dont-pause to t.
X-Git-Tag: emacs-pretest-24.0.90~22
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=6bf7006fa2efdb9d74451336335c1eeb833ddfb1;p=emacs.git
Change the default value of redisplay-dont-pause to t.
src/dispnew.c (syms_of_display) <redisplay-dont-pause>: Default
value is now t. Doc fix.
doc/lispref/display.texi (Forcing Redisplay): Update the description of
redisplay-dont-pause due to change in the default value.
etc/NEWS: Mention the change of the default value.
---
diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index 0094e7c12a6..ed2f0a0d3f0 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,8 @@
+2011-09-24 Eli Zaretskii <eliz@gnu.org>
+
+ * display.texi (Forcing Redisplay): Update the description of
+ redisplay-dont-pause due to change in the default value.
+
2011-09-23 Martin Rudalics <rudalics@gmx.at>
* frames.texi (Frames and Windows): Move section and rename to
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 3002a4c220d..724c46300fd 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -118,15 +118,12 @@ redisplay of all windows.
to put more work on the queue to be done by redisplay whenever there
is a chance.
- Emacs redisplay normally stops if input arrives, and does not happen
-at all if input is available before it starts. Most of the time, this
-is exactly what you want. However, you can prevent preemption by
-binding @code{redisplay-dont-pause} to a non-@code{nil} value.
-
@defvar redisplay-dont-pause
-If this variable is non-@code{nil}, pending input does not
-prevent or halt redisplay; redisplay occurs, and finishes,
-regardless of whether input is available.
+If this variable is non-@code{nil}, pending input does not prevent or
+halt redisplay; redisplay occurs, and finishes, regardless of whether
+input is available. If it is @code{nil}, Emacs redisplay stops if
+input arrives, and does not happen at all if input is available before
+it starts. The default is @code{t}.
@end defvar
@defvar redisplay-preemption-period
diff --git a/etc/NEWS b/etc/NEWS
index e697db7e888..71e5d9cd8be 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -500,6 +500,13 @@ prompts for a number to count from and for a format string.
directory is a remote file name and neither environment variable
$ESHELL nor variable `explicit-shell-file-name' is set.
++++
+** The default value of redisplay-dont-change is now t
+This makes Emacs feel more responsive to editing commands that arrive
+at high rate, e.g. if you lean on some key, because stopping redisplay
+in the middle (when this variable is nil) forces more expensive
+updates later on, and Emacs appears to be unable to keep up.
+
* Changes in Specialized Modes and Packages in Emacs 24.1
diff --git a/src/ChangeLog b/src/ChangeLog
index 7c7eaf6c779..4eac1d78db7 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
2011-09-24 Eli Zaretskii <eliz@gnu.org>
+ * dispnew.c (syms_of_display) <redisplay-dont-pause>: Default
+ value is now t. Doc fix.
+
* indent.c (Fvertical_motion): Compute and apply the overshoot
logic when moving up, not only when moving down. Fix the
confusing name and values of the it_overshoot_expected variable;
diff --git a/src/dispnew.c b/src/dispnew.c
index 958420d3081..51b17fc0f11 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -6494,8 +6494,8 @@ See `buffer-display-table' for more information. */);
Vstandard_display_table = Qnil;
DEFVAR_BOOL ("redisplay-dont-pause", redisplay_dont_pause,
- doc: /* *Non-nil means update isn't paused when input is detected. */);
- redisplay_dont_pause = 0;
+ doc: /* *Non-nil means display update isn't paused when input is detected. */);
+ redisplay_dont_pause = 1;
#if PERIODIC_PREEMPTION_CHECKING
DEFVAR_LISP ("redisplay-preemption-period", Vredisplay_preemption_period,