draft-phillips-langtags-04 /2.4.2 Matching language tags
Peter Constable
petercon at microsoft.com
Thu Jul 1 21:19:33 CEST 2004
> From: Tex Texin [mailto:tex at xencraft.com]
> If as you say, the documents' labels are to be truncated, and
different labels
> have specified different numbers of subtags, how much and exactly what
is
> truncated on each pass?
Whatever I said, it's easy to miscommunicate when talking about this
stuff. So, I'll restate my understanding: if a request is for "a-b",
then you look for documents that are tagged as "a-b" or "a-b-...". So,
you'd get matches as follows:
document match
"a-b-c-d" yes
"a-b-c" yes
"a-b-e" yes
"a-b" yes
"a-f" no
"a" no
Applying that to your example, then you would get matches as follows:
Request Document Match
zh-Hant-TW zh-Hant-TW yes
zh-Hant-TW-foo yes
zh-Hans no
zh-TW no
zh-TW-foo no
zh no
zh-TW zh-Hant-TW no
zh-Hant-TW-foo no
zh-Hans no
zh-TW yes
zh-TW-foo yes
zh no
Peter Constable
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