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From: | Stefan Monnier |
Subject: | bug#55205: 28.1.50; completion--replace illegally mutates completion candidates |
Date: | Mon, 02 May 2022 12:01:18 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Eli Zaretskii [2022-05-01 15:17:10] wrote: > I don't understand how can completion work in general without > destructively modifying strings. The completion API (i.e. between the UI code and the completion backend) is basically functional: the backend is a function that can operate without any side effects. The only thing that may occasionally need to be "modified" is the buffer that the user is editing (most often it's a minibuffer). Why would the completion UI ever need to modify any of the data that belongs to the completion backend? Or are you thinking of some other form of "modifiying"? Or other strings? Stefan
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