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bug#28248: 26.0.50; display-line-numbers does not affect window-width /


From: Steve Purcell
Subject: bug#28248: 26.0.50; display-line-numbers does not affect window-width / window-text-width
Date: Sun, 27 Aug 2017 17:40:04 +1200


When display-line-numbers mode is enabled, this has no effect on the
return value of window-width or window-text-width, and there is also no
variable which contains the current width of the line numbers. This all
means there is no way to determine the width of the text area of the
window.

This concretely matters to me because my package "page-break-lines"
remaps the display table of ^L to a horizontal line the width of the
window: this technique is based on prior art.

I note that turning off fringes *does* correctly adjust
window-text-width, so it seems that display-line-numbers-mode should do
the same.

(PS. nice work on the functionality itself!)




In GNU Emacs 26.0.50 (build 1, x86_64-apple-darwin16.7.0, NS appkit-1504.83 
Version 10.12.6 (Build 16G29))
 of 2017-08-26 built on Tulku.local
Repository revision: fca62645b6dab55fb39dbef2a09d5044dcf8efc1
Windowing system distributor 'Apple', version 10.3.1504
Recent messages:

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