s ::= Grammar ws => "gram"
-w !::= " "
+w ::= " "
| "\n"
| "\r"
-ws !::= w** | w** "//" (~[\n]*) "\n" !ws
-wp !::= w++
+ws ::= w** => ()
+ | w** "//" (~[\n]*) "\n" ws => ()
+wp ::= w++
Grammar ::= r +/ ws => "grammar"
r ::= word ^"::=" alternatives /ws
ps ::= e*/ws => "ps"
| (e+/ws !ws)? "^" Quoted (!ws e+/ws)? => "ps2"
psy ::= ps
- | ps wp ^"/" !ws e
+ | ps !wp ^"/" !ws e
psx ::= psy => "psy"
// | e "<-" psy /ws => "psyl"
| psy "->" e /ws => "psyr"
Sequence ::= Quoted => "qprod"
> psx => "psx"
| psx "=>" ^"[]" /ws
- | psx ^"=>" (word|Quoted) /ws
+ | psx ^"=>" ("()"|word|Quoted) /ws
ec ::= ~[\-\]\\]
| escaped