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bug#43774: 27.1; fido-mode completion don't accept empty string nor matc
From: |
Teemu Likonen |
Subject: |
bug#43774: 27.1; fido-mode completion don't accept empty string nor matching substring |
Date: |
Sat, 03 Oct 2020 09:30:42 +0300 |
Emacs fido-mode (which is part of icomplete-mode) implements minibuffer
completion system which offers quick and easy way to choose one of the
available options. However, sometimes user needs to enter a different
substring which is not any of the available options. Sometimes even
empty string is needed. This seems to be impossible in fido-mode. The
following example demonstrates the empty string problem.
1. Save the attached (inline) file "test.org".
2. Start Emacs and open the file:
emacs -Q test.org
3. Ensure that the major mode is org-mode and turn on fido-mode:
M-x org-mode
M-x fido-mode
4. Press "C-c C-c" (org-ctrl-c-ctrl-c) on any of the Org heading lines.
The command will start editing tags for the current heading line.
The available tags in the buffer are :one:, :two:, :three:.
5. Try to clear the prompt from any tags. This works but it seems to be
impossible to actually enter empty string because one of the
buffer's present tags are always chosen when user finishes the
prompt with RET key.
A work-around in org-mode's tag completion prompt is to enter one colon
(:) in the prompt but this is not general solution to the empty string
problem.
Another difficulty comes with entering just a substring of available
matches. The following example demonstrates this.
1. Start Emacs with "emacs -Q".
2. Turn fido-mode on.
M-x fido-mode
3. Press "C-x b" (switch-to-buffer) and try to create buffer named
"scr" which is a substring of "*scratch*" buffer. This seems to be
impossible or there is no documented way to do this.
--
/// Teemu Likonen - .-.. http://www.iki.fi/tlikonen/
// OpenPGP: 4E1055DC84E9DFF613D78557719D69D324539450
* first :one:
* second :two:
* third :three:
- bug#43774: 27.1; fido-mode completion don't accept empty string nor matching substring,
Teemu Likonen <=