bug#13949: 24.4.1; `fill-paragraph' should not always put the buffer as modified

[Lars Magne Ingebrigtsen]

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> takes 2.7 seconds (that's 1000 1MB buffers), and unsurprisingly

With md5 it's 1.7 seconds, so that might be a better choice, although
we'd have to deal with an endless string of bug reports about md5 being
"broken" that we'd have to mark as "notabug wontfix closed" every three
days, I think.  :-)  So it might not be worth it.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no