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Re: Unicode confusables considered harmful

From: Vasilij Schneidermann
Subject: Re: Unicode confusables considered harmful
Date: Sat, 6 Nov 2021 12:56:29 +0100

> Disabling bidi in Emacs is asking for trouble because one cannot do
> that and rely on the display engine to still work correctly in all
> cases.  Bidirectional support is nowadays hardwired into the display
> engine and cannot be disabled completely.

If it works correctly in all the cases not using RTL scripts, that's
fine by me. And I'm far from the only one thinking like that. Bonus if
it improves redisplay speed.

> Please try the new command highlight-confusing-reorderings (available
> on master), it is supposed to be the way to detect suspicious
> reorderings without falsely flagging any legitimate ones.  (I can
> easily understand how mentioning it could drown in the sea of the
> other messages in this thread; sorry about that.)

I'm specifically not talking about reordering characters, but
confusables, that is, characters that look visually identical. See
https://unicode.org/reports/tr39/#Confusable_Detection for further
elaboration on the topic. Hence the change of the subject line.


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