Be more specific about corner cases in the description of the $ RE syntax, and include an example where the MULTILINE flag makes a real difference.
Be more specific about corner cases in the description of the $ RE syntax,
and include an example where the MULTILINE flag makes a real difference.

This closes SF bug #441600.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator