21:4021:40, 1 November 2009diffhist−136
Open set
split several inappropriate paragraphs out of the lead into the current "Informal discussion". Changed title to "Introduction". Some edits to the lead to improve accessibility.
15:1515:15, 1 November 2009diffhist+19
Open set
((Intro-too long)): per WP:LEAD three or four paragraphs that summarize the article are the general rule. Five that venture into topics not even mentioned in the article flouts this guideline.