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A comment on Unicode sorting is hard and why browsers added special emoji matching to regexp. Parent comment

Re:Unicode sorting is hard and why browsers added special em... by yangminded on Monday June 28, 2021 @04:37AM (#27659398)
Yes, that is an interesting case!

"Ä" is a separate letter in the Swedish alphabet: https://en.wikipedia.org/wiki/Swedish_alphabet

In German on the other hand, "Ä" is part of the language but not part of the alphabet and it is simply expanded to "AE" as in the previous comment.

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Re:Unicode sorting is hard and why browsers added special em... by detaro on Monday June 28, 2021 @04:48AM (#27659460)
EDIT: following comment is specifically about German German, Swiss German etc do not always work the same

> In German on the other hand, "Ä" is part of the language but not part of the alphabet

Some people claim that, but I wouldn't take that as an authoritative statement. Plenty language authorities disagree, since "ä" and "ae" are not interchangeable.

> it is simply expanded to "AE" as in the previous comment

Only in some contexts (lists of names predominantly), generally "ä" is sorted after "a". E.g. the Duden dictionary goes "zahlen", "zählen", "Zah­len­an­ga­be".

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Re:Unicode sorting is hard and why browsers added special em... by kzrdude on Monday June 28, 2021 @06:32AM (#27660056)
There is also the topic of language revisions. In my experience, gnu tools sort swedish correctly by the old rules, those that collate w with v, i.e w and v sort as if they are equal (war before ver before whar).

However, in 2006 the arguably authorative dictionary changed to sort w after v. Gnu tools have yet to catch up with this, what I can see. :)

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