Fixed #5778 -- Changed the way we detect if a string is non-ASCII when creating email headers. This fixes a problem that was showing up on some (but not all) systems.
Fixed #5778 -- Changed the way we detect if a string is non-ASCII when creating
email headers. This fixes a problem that was showing up on some (but not all)
systems.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%406551

Belgabor/django,Belgabor/django,Belgabor/django