Modules and class oddities (Was: [plt-scheme] Dialog% not accepting frame% subclasses as parent?)

From: Matthew Flatt (mflatt at
Date: Thu Oct 17 16:45:56 EDT 2002

At Thu, 17 Oct 2002 19:10:47 +0200, Erich Rast wrote:
> Solution: I moved the parent dialog class definition in another module, 
> and made the alert module require it.
> However, I wonder wether this is how it should work.

Does your program use multiple namespaces?

So far, the only way I can imagine the error you're seeing is if you
have multiple instances of the `(lib "" "mred")' module. That,
in turn, is only possible if you have multiple namespaces.


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