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Does changing an umlauted letter into two letters work for @ comment replies, for example @Joerg?

Or do I have to do @Jorg, like in @Peter works for Péter Török? and unlike Æ changing to ae in Comment notification special characters?

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Sounds like you’re asking whether they use the Unicode Collation Algorithm’s primary strength comparison. That way things like "ø" and "o" count as the same, "æ" counts as "ae", etc. That works without locales, but to get "ä" to go to "ae" or "ö" to go to "oe", you would need to be in the German locale, which wouldn’t work well for a non-German forum; similarly for "å" going to "aa" and other locale-specific conventions. And if it were a Spanish forum, then "ñ" would not go to "n", as it normally does. – tchrist Apr 29 '11 at 4:08
@tchrist: Where would "ñ" go? Would it go to eleven? – Andrew Grimm Apr 29 '11 at 4:13
In the Spanish locale (which we aren't using), "ñ" collates after "n" but before "o". In the default, however, it is the same as the letter "n". – tchrist Apr 29 '11 at 4:16
up vote 6 down vote accepted
if ("òóôõöøo".Contains(s))
    return "o";

From Non US-ASCII characters dropped from full (profile) URL

So you must do @Jorg.

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Well that's good to know. Though personally, I try to just copy the first part of the name and use that in my @ comments. – Jeff Mercado Apr 28 '11 at 0:44
@Jeff: I used to do that. Too much work, because it involves using a mouse. – Andrew Grimm Apr 28 '11 at 2:14

The engine doesn't have specific support for transliteration of German names.

@-replies are hard to get right manually, especially with names containing characters that aren't on your keyboard or names that are hard to read¹. Fortunately there's a script for that:

¹ My name is all ASCII letters, but back when @ replies required 4 characters, I noticed several @Giles replies, and probably missed many more.

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