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bug#41097: 28.0.50; (dired-toggle-marks) not working after copy
From: |
Arthur Miller |
Subject: |
bug#41097: 28.0.50; (dired-toggle-marks) not working after copy |
Date: |
Mon, 11 May 2020 15:15:57 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Drew Adams <drew.adams@oracle.com> writes:
>> > If m is for marking then (dired-toggle-marks) should work with
>> > success, because why it should not work if the file is flagged with
>> > C, because it is not a file for deletion.
>> >
>> > If is is for marking and d for flaging means to prepare for deletion,
>> > then "m" does not flag, it marks, so there are no "other flags" but
>> > there is just one mark and other flags. If menu separates marks from
>> > flags, then the function should separate marks from flags too, maybe
>> > except for flagged files.
>> >
>> > Confusing, but I don't see a logic why I should not be able to toggle
>> > marks on files that have been recently copied or renamed.
>>
>> Because t toggles marks, and C is not a mark, it's a flag.
>
> This is not true. Let's please not go there.
>
> The doc has always spoken of "flagging" only for the
> deletion mark, `D', and that mark is also called a
> "flag" (_the_ flag). It is the only mark that has
> ever been called a "flag". It flags a possible
> danger -- "Hey! Over here. Watch out."
>
> But `D', `C', and any others are all marks. You can
> create any marks you like - use any char.
>
> It's true that, for simplicity, the operation of
> "marking" generally refers to marking with `*'.
>
> Command `* c' (`dired-change-marks') is specifically
> about changing marks - substituting one char for
> another.
>
> As for the general question from Jean-Louis, I (and
> Michael) already answered it:
>
> * If you want `t' to UNmark files that have a mark
> (e.g. `C') other than `*' then you need to first
> change those `C' marks to `*' (`* c C *' does
> that for `C' marks).
>
> * If you want `t' to _mark_ the files marked `C'
> then you need to first unmark them. You can do
> that in two ways, depending on what you really
> want:
>
> 1. Unmark ALL marks, of any kind. `U' or `M-DEL
> RET' does this.
>
> 2. Change just the `C' marks to ` ' (space char).
> `* c C SPC' or `M-DEL SPC' does this.
> ("Marking" with a space char = unmarking.)
>
> Why/when would you ever want to use `* c C *'
> instead of `U'? When you also had some other marks
> (`D', `E' or whatever), which you did _not_ want to
> change to `*'.
>
> And yes, unmarking applies also to `D' marks (aka
> flags). Unmarking (unflagging) is not something
> dangerous or noteworthy. Flagging (`D') is.
>
> Dired copy-file commands mark with `C' in the target
> directory listing. This is a feature, not a bug.
>
> And `t' toggles only files marked `*' and unmarked
> files. This is also a feature. The most common,
> most active, use of marks is with the `*' mark.
>
> The general "marking" commands use `*', by default.
> It is the default mark character, the default value
> of `dired-marker-char'. Its doc tells you that is
> is "what the do-commands look for, and what the
> mark-commands store".
>
> I think the doc is pretty clear, but yes, it might
> require some careful reading.
>
>> If the doc string which you quoted several times said this:
>>
>> Toggle marks: marked files become unmarked, and vice versa.
>> Flagged files (indicated with flags such as ‘C’ and ‘D’, not
>> with ‘*’) are not affected, and ‘.’ and ‘..’ are never toggled.
>>
>> would that prevent the confusion?
>
> No, that's worse. It introduces `C' as a "flag".
> "Flag" and "flagging" need to be reserved for `D'.
>
> It should always be about "flagging for deletion".
> This is important because deletion is consequential.
> That's presumably the reason for having always used
> a special term for `D' marks.
>
> "Flag", in the Dired context, is like a red flag --
> a warning, of sorts: "Pay attention! This marking
> is particularly important." That's also the reason
> we font-lock `D'-marked lines specially (red!).
>
> It would probably help if the first line of the
> doc string explicitly called out `*' marks.
> Maybe something like this:
>
> Toggle `*' marks: unmark marked files, and vice versa.
So people are supposed to keep in their mind all this distinction when
it is a flag and when it is a mark? So we are supposed to "flag" for
deletion, but "mark" for copy. Is it really necessary? Does it really
need to be that complicated, I mean, cognitively speaking? Does it
really add anything in quality if you distinct between "marking" and
"flagging" for deletion? What is wrong to just simply "mark" files
with different "flags"?
I am not native english speaker, but it feels I could equally "flag"
and "mark" my files for deletion.
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, (continued)
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Drew Adams, 2020/05/10
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Jean Louis, 2020/05/10
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Michael Heerdegen, 2020/05/10
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Drew Adams, 2020/05/10
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Michael Heerdegen, 2020/05/11
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Drew Adams, 2020/05/11
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy,
Arthur Miller <=
- bug#41097: 28.0.50; (dired-toggle-marks) not working after copy, Drew Adams, 2020/05/11