lucy24 - 10:09 pm on Mar 1, 2013 (gmt 0)

Y'all realize, of course, that this is simply the present millennium's equivalent of cleaning your glasses.

(Where an extra period can totally break a script.)

Huh. With me it's generally a missing semicolon. Can't remember the exact permutation but there's one place where the semicolon is optional in js but mandatory in php. There's nothing like firing up MAMP and coming face to face with a perfectly blank screen.