# comment
a = b ;
b = "c":named_c ;
b = c "d":dname ;
c = "a" | d ;
d = "has space" ;
d = "has
return" ;
d = "has \"" ;
d = "has 
ll\"
\\\"y8\" \\\\" ;
d   =    "has space"      ;
d = e ;
e = f | ;
f = ;