from preamble:

"Change Set:		FileContentsBrowserFix-mu
Date:			4 September 2003
Author:			Masashi Umezawa

FileContentsBrowser>>selectedClassOrMetaClass should return nil when
there is no selection. But the method raises MessageNotUnderstood when
the browser indicates metaclass AND selectedClass is nil, because it
tries to send #metaClass to nil.

Now the method correctly returns nil in such case.

-To see the problem:
	Open the code browser for codes with class methods only.
	Without any class selection, push the 'class' button in the browser. 

"!
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