On Mar 10, 17:18, I wrote:
> There is no single collating-sequence that could be assigned to characters
> which would result in a DIN-5007-conforming ordering.
> Rather, DIN 5007 mandates a 3-level ordering process (which can, of course,
> be implemented as a conventional binary ordering of suitably constructed
> 3-part ordering keys).
I have just found, in my records, an article (in German) I have written
in 1991 about DIN 5007 complying ordering, and how to do it in the VM/CMS
system with the VMSORT command. The greater part of this article also
applies to other operating systems and sort programs. The example program
(VMSORT user-exit routine) cited in that article is lost (however, its
effects are described, in great detail.
Whoever wants this article can have it for the asking (per private e-mail).
But please do not ask me to translate it.
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