sequence ::= Es
> Es ^"/" e /ws
Es ::= e+
-es ::= e+/ws
+//es ::= e+/ws
+
conjuncts ::= rewrite
| rewrite ^"&" sequence /ws
| ^"{" alternatives "}" /ws
| "[" [\~]? range* "]" => "range"
| e ^"*/" e /ws
+ | e ^"%%" e /ws
| e ^"+/" e /ws
| e ^"?" /ws
| e ^"~/~" /ws