from antlr4 import *

class PlSqlBaseLexer(Lexer):

    def IsNewlineAtPos(self, pos):
        la = self._input.LA(pos)
        return la == -1 or la == '\n'
@@ -150,8 +150,8 @@
  == 
-'%5Cn'
+10 %0A

Update PlSqlBaseLexer.py