s ::= ws grammar ws => "gram"
ws !::= w**
-grammar ::= r $$ ws => "grammar"
+grammar ::= r +/ ws => "grammar"
r ::= word ^"::=" alternatives /ws
| word ^"!::=" alternatives /ws
-alternatives ::= equiAlt $$ (ws ">" ws)
-equiAlt ::= conjuncts $$ (ws "|" ws) => "alternatives"
+alternatives ::= equiAlt +/ (ws ">" ws)
+equiAlt ::= conjuncts +/ (ws "|" ws) => "alternatives"
sequence ::= es
> es ws ^"/" e
-Es ::= e %% (w**)
-es ::= e %% (w**)
+es ::= e */ (w**)
ss ::= es | es ^"/" e /ws
conjuncts ::= rewrite
- | rewrite ^"&" e%%ws /ws
- | rewrite ^"&~" e%%ws /ws
+ | rewrite ^"&" e*/ws /ws
+ | rewrite ^"&~" e*/ws /ws
rewrite ::= sequence /ws => "rewrite"
| sequence ^"=>" word /ws
ec ::= [~\-\]\\\~]
| escaped
-range ::= ec => "range0"
- | ec ^"-" ec => "range1"
+range ::= ec => "range"
+ | ec ^"-" ec
e ::= word => "nonTerminalY"
| [(][)] => "epsilon"
| ^"{" alternatives "}" /ws
- | "[" (range*) "]" => "range"
- | "[~" (range*) "]" => "rangex"
- | e ^"%%" e /ws
- | e ^"$$" e /ws
+ | ^"[" (range*) "]"
+ | ^"[~" (range*) "]"
+ | e ^"+/" e /ws
+ | e ^"*/" e /ws
| e ^"?" /ws
| e ^"~/~" /ws
| e ^"-" e /ws
| ^"!" e /ws
- | "^" quoted /ws => "care"
+ | "^" quoted /ws => "care"
| ^"`" e /ws
| e ^"#" /ws
| quoted => "literal"