Eli Barzilay 16cd1ad78d Make `defproc' throw an error if two arguments have the same name. ... Related to the already fixed PR 12114 and PR 12133, which motivated the error, and a few additional typos of the same kind. (Note that it uses the symbols, but that's how they'll render anyway.)		2011-09-16 11:14:18 -04:00
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scribblings	Make `defproc' throw an error if two arguments have the same name.	2011-09-16 11:14:18 -04:00
batch-io.ss	change teachpack names (visible to students) back to .ss	2010-04-28 06:56:26 -06:00
image.ss	Added a second column for the 2htdp teachpacks to the choose-a-teachpack dialog	2010-09-07 17:34:08 -05:00
universe.ss	change teachpack names (visible to students) back to .ss	2010-04-28 06:56:26 -06:00