Games Workshop answer some of the more obscure Warhammer FAQs
with a couple of unexpected answers (as far as I'm concerned), like the response to this question..."Q. If a character declares a lone charge out of a unit against an enemy armed with missile weapons, and the enemy elects to Stand and Shoot, whom do they target with their Stand and Shoot reaction – the character or his unit?"
A. They will target the character’s unit, and if the unit panics and flees, it will take the character with them.
Here's the Warhammer Rulebook pdf errata published January 2009
here's all the other Warhammer Army errata pdfs