alternatives ::= equiAlt +/ (ws ">" ws)
equiAlt ::= conjuncts +/ (ws "|" ws)
-conjuncts ::= rewrite
- | rewrite ^"&" e*/ws /ws
- | rewrite ^"&~" e*/ws /ws
+conjuncts ::= sequence
+ | sequence ^"&" e*/ws /ws
+ | sequence ^"&~" e*/ws /ws
sequence ::= e*/ws
(ws "/" e)?
(ws "=>" ws (word|quoted))? => "seq"
-rewrite ::= sequence
-
ec ::= [~\-\]\\\~]
| escaped