[racket-dev] Documentation for 'disappeared-use and 'disappeared-binding

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Sun Nov 28 08:17:54 EST 2010

The basic idea is that some identifiers from the original program
don't survive into the fully expanded form. So macros that makes those
identifiers disappear record that they've done so with this syntax


On Sun, Nov 28, 2010 at 6:02 AM, Casey Klein
<clklein at eecs.northwestern.edu> wrote:
> The documentation doesn't appear to explain the meaning of the
> 'disappeared-use and 'disappeared-binding syntax properties. I've
> gathered that Check Syntax looks for them, but I don't know exactly
> how it uses them. Do other tools interpret them too?
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