GNU bug report logs - #35564
27.0.50; [PATCH] Tweak dired-do-shell-command warning about "wildcard" characters

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Message #199 received at 35564 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
Cc: Michael Heerdegen <michael_heerdegen <at> web.de>, 35564 <at> debbugs.gnu.org,
 Noam Postavsky <npostavs <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Eli Zaretskii <eliz <at> gnu.org>, Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#35564: [PATCH v5] Tweak dired warning about "wildcard"
 characters
Date: Sat, 16 Nov 2019 22:23:56 +0200

>> In the new "Dired help" buffer where there is enough space to add
>> the command line with '^' markers.
>
> Note that the current implementation is quite naive: it falls apart if
> the command is wider than the help window.  E.g.:
>
>      some-command "first?argument" "sec⤸
>     ⤹ond?argument" "final-argument"
>                         ^              ⤸
>     ⤹   ^
>
> (⤸ and ⤹ represent fringe indicators for wrapped lines.)
>
> I don't know how important it is to handle this situation, since
> read-char-from-minibuffer allows C-x o'ing to the help buffer and
> toggling truncated lines.

Or truncated lines could be enabled by default in the "Dired help"
buffer by using (setq truncate-lines nil)

>>> - The details window might not be tall enough, in which case maybe I
>>>   should add [f]orward-/[b]ackward-page actions like nsm.el does.
>>
>> Yesterday I added new keybindings C-v/M-v for scrolling the original
>> window from the minibuffer.
>
> Nice!
> (Out of curiosity, would it make sense to also bind C-x < and C-x >?)

Wouldn't ‘C-x <’ and ‘C-x >’ be more needed to scroll the minibuffer
horizontally?  I tried to toggle truncated lines in the minibuffer,
and then ‘C-x <’ and ‘C-x >’ scroll the minibuffer horizontally.

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