www

commit 209aa0fb7e492940c0136597222b191f1338c0b5
parent 3011cec6fcc5bc195ab1a162e79c4282c290c85c
Author: Greg Hendershott <greghendershott@gmail.com>
Date:   Tue, 30 Oct 2012 14:21:27 -0400

Explain use of make-rename-transformer.

Progress on issue #1.

Diffstat:
M
main.rkt
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/main.rkt b/main.rkt
@@ -909,6 +909,10 @@ value:
 (aif #f (displayln it) (void))
 ]
 
+Inside the @racket[syntax-parameterize], @racket[it] acts as an alias
+for @racket[tmp]. The alias behavior is created by
+@racket[make-rename-transformer].
+
 If we try to use @racket[it] outside of an @racket[aif] form, and
 @racket[it] isn't otherwise defined, we get an error like we want: