[racket-dev] request for code review on fix for pr 13471

From: Danny Yoo (dyoo at hashcollision.org)
Date: Fri Feb 1 16:44:53 EST 2013

I've written up a patch for PR 13471:

    https://github.com/dyoo/racket/commit/544918465b67cbf2e8ad40bd3c2b3ea90f33c085

I just want a second pair of eyes just to make sure I've done it
correctly.  I added a free-id-table that the parse function uses when
walking across lex-abbrev syntaxes.  Does this look ok?

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