New preemptive redisplay.

b9106888 · Kim F. Storm · a9d2c447 · b9106888
Commit b9106888 authored Jun 12, 2006 by Kim F. Storm
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 ** Redisplay changes:

+++
+*** Preemtive redisplay now adapts to current load and bandwidth.
+
+To avoid preemping redisplay on fast computers, networks, and displays,
+the arrival of new input is now performed at regular intervals during
+redisplay.  The new variable `redisplay-preemption-period' specifies
+the period; the default is to check for input every 0.1 seconds.
+
 +++
 *** The mode line position information now comes before the major mode.
 When the file is maintained under version control, that information