Re: unicode match normal forms

On Mon, 17 May 2021 15:45:00 +0200
Matthias Apitz <guru@unixarea.de> wrote:
> There is only *one* codepoint for the German letter a Umlaut:
> LATIN SMALL LETTER A WITH DIAERESI U+00E4

True. On the other hand, the sequence:

* U+0061 LATIN SMALL LETTER A
* U+0308 COMBINING DIAERESIS

will render exactly the same glyph. The two forms are closely related:
U+00E4 is in NFC (normalization form canonical composition), U+0061
U+0308 is in NFD (normalization form canonical decomposition).

See https://en.wikipedia.org/wiki/Unicode_equivalence#Normalization

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