def add_star_prefix(self):
if self.path:<EOL><INDENT>self.path += '<STR_LIT>'<EOL><DEDENT>else:<EOL><INDENT>self.path = '<STR_LIT>'<EOL><DEDENT>self.star_prefix = True<EOL>
Adds a /* prefix if there is no prefix.  This is when you need
to keep context's constrained to a single parent.