text/plain documents that start with \n trigger ASSERT
Created attachment 66929 [details] Patch
Comment on attachment 66929 [details] Patch OK.
+ // PAINTEXTState and ignore m_skipLeadingNewLineForListing. PAINTEXTState!
Freudian slip?
Committed r67041: <http://trac.webkit.org/changeset/67041>