Minimal change so I can add the rest of MAL's checkin message:

M.-A. Lemburg <mal@lemburg.com>:
Fixed a core dump in PyUnicode_Format().

Objects/unicodeobject.c

 /* 
 
 Unicode implementation based on original code by Fredrik Lundh,
-modified by Marc-Andre Lemburg (mal@lemburg.com) according to the
+modified by Marc-Andre Lemburg <mal@lemburg.com> according to the
 Unicode Integration Proposal (see file Misc/unicode.txt).
 
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