Am 28.12.2010 um 11:06 schrieb François Patte:
Is it possible to correct this?
Yes: set up the maths font used for $7$ accordingly. (In TeX text and maths fonts are different.)
Some like the difference of shape between a text 7 and and a maths 7. If you are not among them, then simply save some $!
BTW, the key of your signature has expired. Nine months ago. -- Greetings Pete A morning without coffee is like something without something else. -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex