Clearly the `TK_newline` token can derive a NEWLINE. Any symbol which
is the head of a production that contains a line_like symbol is also a
line-like symbol. We use a new field `line_like` to record this
Clearly the `TK_newline` token can derive a NEWLINE. Any symbol which
is the head of a production that contains a line_like symbol is also a
line-like symbol. We use a new field `line_like` to record this