On Tue, Jun 30, 2009 at 6:06 PM, Andreas Rossberg<rossberg@mpi-sws.org> wrote:
> On Jun 30, 2009, at 22.19 h, Mike Lin wrote:
>>
>> More generally, you've got parentheses, comments, and string literals,
>> and you need to know to ignore whitespace within any of those -- and
>> to ignore e.g. an open parenthesis that occurs within a comment, or a
>> close comment that occurs within a string literal. So inevitably
>> you've got to lex and parse at some level to make this work for a
>> practical language.
>
> Comments and string literals are no problem, since the lex wrapper will
> never see anything inside them as separate tokens anyway.

OCaml comments can be nested, and must be nested parenthetically. :)