> Printing the format string in validfmt() shows that it is correct.
> Printing after 'fmt = ARGF();' in line 33 shows clipped format. I have
> no idea how ARGF works and cannot troubleshoot past that. Thanks.

Indeed, to quote the Plan9 manpage: "ARGF must be called
just once for each option argument. " I will submit a patch making use of
a temporary variable.

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