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Re: Variable pitch text filling

From: Lars Ingebrigtsen
Subject: Re: Variable pitch text filling
Date: Wed, 01 Dec 2021 16:10:27 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Eli Zaretskii <eliz@gnu.org> writes:

> In what way is min-width inefficient?

I'm not sure -- you're the one who said it was?  But it does to a lot of
work, dropping into the start/stop machinery and doing computations.
This new property is purely on a char by char basis, so it doesn't have
to do any of that stuff.

> I'm not sure I understand the "recursive" part: if some string has a
> certain value of some text property, then every character of that
> string has that same value of that property, and thus you cannot have
> some of those characters have the same property with a different
> value.  So how can the "recursive" part work in practice?

You'd have to maintain a stack in the `min-width' machinery to handle
"overlapping" (or rather, nesting) min-width display properties.  I'd
rather not.

(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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