Top Answers

1. ANTLR parser rule to match: x and/or y and/or z in any order
   3 votes
2. Antlr4: Make a restriction for XML tags to have the same value
   2 votes
3. ANTLR4 grammar: getting mismatched input error
   2 votes
4. Antlr4 mismatched input '<' expecting '<' with (seemingly) no lexer ambiguity
   2 votes
5. ANTLR turns useful error messages into "no viable alternative" when I try to add custom error messages
   2 votes