In a recent note, Mark H. Young said:

> Date:         Wed, 10 Jan 2007 15:01:07 -0600
> 
> Yes, LABEL=(AL) is for ANSI labels, but not used if it's an non-labeled or
> unlabeled tape.  The DCB=OPTCD=Q is required in IBM JCL (especially if
> it's NL), when bringing across a tape from a foreign NON-IBM system (like
> UNIX, UNISYS, etc). This tells IBM's OS to translate from ASCII to EBCDIC,
> as 'other' systems write in ASCII.
> Just my 2 cents worth.....Mark
> 
Yes, but ... The translation table used by OPTCD=Q (IGC0010C, IIRC)
is woefully inadequate; I'd call it just plain wrong.  Look at what
it does with the brackets.  Is there any EBCDIC code page that has
brackets at the code points to which OPTCD=Q maps them?

Realistically, along with OPTCD=Q, the user should be allowed to
specify a code page pair, as with all modern translation utilities.
I'd choose ISO8859-1 <--> IBM-1047.

-- gil
-- 
StorageTek
INFORMATION made POWERFUL

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