lparen.
bquote.
rsquare.
identifier,"f1967589".
rparen.
keyword,"if".
numeric,55.
error,"uX=X@6NvB".
comma.
error,"^N\_L_6fecZMKs4=".
bquote.
string,"J".
keyword,"lambda".
rsquare.
identifier,"Q".
eof.
