wadegile and pinyin LANGUAGE SUBTAG REGISTRATION FORMs

[Frank Ellermann]

Broome, Karen wrote:

> However, zh-pinyin could be misinterpreted and misused to
> indicate Cantonese pinyin as was previously mentioned.

True, but I think that is a problem with "zh" in ISO 639-2,
not with the registration request for "zh-pinyin".  Out of
curiosity, why is "cmn" no ISO 639-2 language, when it is
used by roughly 1/6 of the human population on the planet ?

 Frank