trn valid_message_id() rejects valid message ids

[davison%borla at kithrup.com]

I claimed:
> This should read "...no upper case letters or digits."

but Eamonn McManus wants to know:
> ... how the code I quoted could be interpreted this way.

Simple.  Through the marvels of faulty memory (mine).  You were, of course,
correct in your evaluation of the code.  I was allowing a faulty recollection
of what I thought I had implemented cloud my interpretation of the logic.

Anyway, keep an eye out for trn patch #2 -- it will be arriving in the next
few days (I've sent the completed patch out to a few sites for checking).
-- 
 \  /| / /|\/ /| /(_)     Wayne Davison
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