| From: | Isaac Morland <isaac(dot)morland(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Daniel Verite <daniel(at)manitou-mail(dot)org>, Jeff Davis <pgsql(at)j-davis(dot)com>, Peter Eisentraut <peter(at)eisentraut(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Pre-proposal: unicode normalized text |
| Date: | 2023-10-17 15:38:07 |
| Message-ID: | CAMsGm5fMQuSW4hkvDXmpqrdRQKRGyz8n55WevL+=4=Ui6CZ_0w@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Tue, 17 Oct 2023 at 11:15, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> Are code points assigned from a gapless sequence? That is, is the
> implementation of codepoint_is_assigned(char) just 'codepoint <
> SOME_VALUE' and SOME_VALUE increases over time?
>
Not even close. Code points are organized in blocks, e.g. for mathematical
symbols or Ethiopic script. Sometimes new blocks are added, sometimes new
characters are added to existing blocks. Where they go is a combination of
convenience, history, and planning.
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