Got a problem in my Perl plugin. Still digging where is the problem. But atm found difference in the psi tree:
IDEA 2016.2 tree:
Parser built with the Grammar-Kit 1.2.1 and there is a
Still diggign, but if you've encountered the same problem, advices are welcome.
Problem seems can be fast solved by taking GeneratedParserUtilBase from IDEA 14 and using as parent for ParserUtil class.