[COMMIT] Add case support for Cyrillic, change various syntax choices

[Aidan Kehoe]

 Ar an t-ochtú lá déag de mí na Nollaig, scríobh Stephen J. Turnbull: 

 > Aidan Kehoe writes:
 > 
 >  > NO BREAK SPACE is whitespace. 
 > 
 > For my information, not an objection to the patch.  I seem to recall
 > that this is "standard", but do you have a reference for that?  I've
 > always thought that was stupid, especially in Emacsen.  It should be a
 > symbol constituent.  That permits navigating by words but enforces the
 > non-breaking syntax.

My strategy w.r.t. syntax tables was wrong in that patch. What I should have
done was copied the syntax from the corresponding Latin 1 character; and the
same should be done for most of the characters in european.el.

NO BREAK SPACE is currently a symbol constituent in Latin 1. 

-- 
When I was in the scouts, the leader told me to pitch a tent. I couldn't
find any pitch, so I used creosote.