John Cowan cowan at
Thu Sep 25 08:17:24 CEST 2008

Randy Presuhn scripsit:

> > I'm happy to exclude Tongyong now, and just leave the 'pinyin'
> > subtag to cover the various PRC romanizations based on Hanyu
> > Pinyin principles.
> And the use case for lumping these together as a single variant is.... ???

That they are substantially similar in character, forming a family of
related orthographies, and that it is unnecessary to provide individual
subtags for them.

John Cowan    cowan at
        Sound change operates regularly to produce irregularities;
        analogy operates irregularly to produce regularities.
                --E.H. Sturtevant, ca. 1945, probably at Yale

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