Merge pull request #606 from NYPL/NOREF/bnf-exclude-query-term-parentheses

Noref/bnf exclude query term parentheses

Author: danamansana

lib/elasticsearch/cql_grammar.js

@@ -7,9 +7,9 @@ const cql = `
   atomic_query ::= scope " " relation " " key | key
   scope ::= "title" | "contributor" | "keyword" | "callNumber" | "identifier" | "subject" | "language" | "date" | "center" | "format"
   relation ::= "any" | "adj" | "=" | "==" | "within" | "encloses"
-  key ::= NON_WS_KEY | '"' KEYPHRASE '"'
-  KEYPHRASE ::= [^"]+
-  NON_WS_KEY ::= [^#x20#x09#x0A#x0D"]+
+  key ::= non_ws_key | '"' keyphrase '"'
+  keyphrase ::= [^"]+
+  non_ws_key ::= [^#x20#x09#x0A#x0D"()]+
 `
 
 const cqlParser = new Grammars.W3C.Parser(cql)