Simplify redisplay-x/separate_textual_runs

[Aidan Kehoe]

 Ar an chéad lá de mí Aibréan, scríobh Olivier Galibert: 

 > On Fri, Mar 30, 2007 at 11:48:58PM +0200, Aidan Kehoe wrote:
 > > Thanks! Please profile the two (with etc/HELLO at least working for the
 > > CJK languages) and post comparisons, separate_textual_runs is called
 > > quite a lot.
 > 
 > Hmm, how is one supposed to do a reasonably reproducible profile of
 > that code exactly?  It's too linked to the UI for me to know how to go
 > about it.

(profile-expression '(loop for i from 0 to 10000 do (sit-for 0.0))) 

would be one option. 

-- 
On the quay of the little Black Sea port, where the rescued pair came once
more into contact with civilization, Dobrinton was bitten by a dog which was
assumed to be mad, though it may only have been indiscriminating. (Saki)