It took me a few minutes to figure out exactly what the deal was, until
I saw that #readOnlyFileNamed: was now being sent to a directory instead
of FileStream.  Looks
good!  

I tested it on files from the UCSBCreateArchive server.  I verified that
browsing remote code files didn't work before using this changeset, but
did afterward.  I also verified that browing local code files still
works.













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