The attached patch does it. I almost hate to commit it because it's
such a hack, but this is from my last Guile session:

scheme@(guile-user)> 'foo
$2 = foo
scheme@(guile-user)> 'foo ; hi there!
$3 = foo
scheme@(guile-user)> ; why, hello!
scheme@(guile-user)> ,q

Noah

On Sun, Feb 13, 2011 at 2:19 PM, Andy Wingo <wingo@pobox.com> wrote:
> Hi Noah,
>
> I think it makes sense to have a reader that actually returns comments.
> That, to me, is the general solution: the REPL reader just treats a
> comment as whitespace.
>
> On Sun 13 Feb 2011 16:22, Noah Lavine <noah.b.lavine@gmail.com> writes:
>
>> - The quicker way: if the language in use is scheme, change the
>> next-char function (repl.scm line 205) to know about comments, so that
>> if it saw a semicolon, it would snarf everything until the end of the
>> line.
>
> Nasty, but a good idea I think!  Care to submit a patch? :)
>
> Andy
> --
> http://wingolog.org/
>