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Re: [readline] Multibyte invisible chars cause weird prompt length calcu

From: Chet Ramey
Subject: Re: [readline] Multibyte invisible chars cause weird prompt length calculation issue
Date: Wed, 27 Nov 2019 11:48:32 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.2.2

On 11/27/19 11:24 AM, Алексей Шилин wrote:
В Ср, 27/11/2019 в 11:02 -0500, Chet Ramey пишет:
On 11/25/19 10:05 AM, Алексей Шилин wrote:

Bash Version: 5.0
Patch Level: 11
Release Status: release


I'm using the following PS1 prompt (Debian's default for normal


...where the first block '\[\e]0;\u@\h: \w\a\]' is for setting
title, and the rest is Debian's "fancy" shell prompt.

Is there a literal newline in the prompt string? And is it in the
of the non-printing character block?

No, of course not. It's Evolution doing its thing, splitting the line.
Sorry for the confusion.

OK. The reason I ask is that I can (unsurprisingly) reproduce multiple
redisplay issues if the newline after the `\h:' is present, but none
when $PS1 doesn't contain any newlines.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/

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