Added _ to pest keywords. Fixes
@@ -72,6 +72,7 @@ pub fn validate_pairs<'i>(pairs: Pairs<'i, Rule>) -> Result<Vec<&'i str>, Vec<Er
rust_keywords.insert("yield");
let mut pest_keywords = HashSet::new();
+ pest_keywords.insert("_");
pest_keywords.insert("ANY");
pest_keywords.insert("DROP");
pest_keywords.insert("EOI");
