LBRK
if (*pe == LBRK) {
case LBRK:
map : LBRK RUNE RUNE RBRK
| map LBRK RUNE RUNE RBRK
| LBRK RUNE THRU RUNE ':' RUNE RBRK
| map LBRK RUNE THRU RUNE ':' RUNE RBRK
mapignore : LBRK RUNE RUNE RBRK { }
| map LBRK RUNE RUNE RBRK { }
| LBRK RUNE THRU RUNE ':' RUNE RBRK { }
| map LBRK RUNE THRU RUNE ':' RUNE RBRK { }
%token LBRK