Re: Error compiling with icu support / possible workaround?

[John MacFarlane <jgm-TVLZxgkOlNX2fBVCVOL8/A@public.gmane.org>]

"'Nick Bart' via pandoc-discuss"
<pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org> writes:

> It seems that "xx-XX" tags can be used instead of "xx" in all contexts, even if not listed in README.md. For example, sv-SV-u-co-reformed falls back to sv-u-co-reformed, and de-DE-u-co-phonebk to de-u-co-phonebk. Is this supposed to be true across the board?

Yes -- we have a fallback algorithm.  In general xx-YY will match
xx if there is no tailoring defined for xx-YY specifically.
(Similarly for scripts and collations.  Thus, xx-Cyrl will match
xx if xx-Cyrl is not specifically defined, and xx-u-co-phonebk
will match xx if a phonebk collation is not defined for xx.
But the other around around is not possible:  if you request
de, it won't match de-u-co-phonebk, even though there is no
de tailoring defined...this was the bug you reported earlier.)


> Some collations such as fr-u-kb seem to be gone now (the most recent unicode-collate --verbose tells me fr-u-kb falls back to Tailoring: ROOT).

That only refers to the tailoring itself, not to the collator
options set by -u-kb.  So, in this example fr-u-kb still works
(sets backwards accent sorting), but the verbose output only
tells you about the tailoring match.

> So it seems if you want "cote < côte < coté < côté" (following the "last syllable" rule), you’ll have to use fr-CA.

No, you can still use fr-u-kb

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