bug#1727: 23.0.60; end-of-sentence and non-breaking space

[Drew Adams]

> ISTR that there was an extended discussion about classifying
> non-breaking spaces on this list a while back.  But I can't 
> find it now. Does anyone remember the details?

Dunno if this is what you were thinking of, but there was this discussion about
treating (classifying) nonbreaking space as whitespace:

http://lists.gnu.org/archive/html/emacs-devel/2007-06/msg01089.html