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Emacs : Recent Questions and Answers (Page 3)

Find answers to your questions about Emacs or help others by answering their Emacs questions.

How to measure the performance of the mode-line?

Currently when making changes to the mode-line, I try to write efficient elisp, However I don't know for sure if what I'm doing is in fact efficient. How could I...

Asked on 12/07/2021

1 answer

elfeed + olivetti modes

I want the elfeed-show-mode to be displayed with the olivetti minor mode olivetti-mode, so I do:(add-hook 'elfeed-show-mode-hook 'olivetti-mode)The problem is that the lines are not truncated correctly (see image)....

Asked on 12/07/2021 by Luis Silva

1 answer

Restrict available command options in AuCTeX

I'm using AuCTeX (v.11.89.6 with Emacs 25.1). I have no problems with it, just a small nuisance. Whenever I use TeX-insert-macro (C-c C-m) I get many options I never use....

Asked on 12/05/2021

1 answer

How to automatically remove a hook provided by a minor mode after disabling that mode?

I want to write a minor which evaluates some code in the buffer after saving a file. I activate after-save-hook for this mode:(add-hook 'my-minor-mode-name-hook #'(lambda () (add-hook 'after-save-hook #'a-func-from-my-minor-mode))Everything...

Asked on 12/05/2021 by caseneuve

1 answer

SVG image display blurry

When I open SVG files in Emacs they appear blurry. The SVG files themselves are fine (when I open them in Firefox they scale perfectly). My Emacs is compiled with...

Asked on 12/04/2021

1 answer

Autoloaded variable overrides the one from the init file

I added the following line to my init file to replace ruby-mode with enh-ruby-mode:(setq auto-mode-alist (mapcar (lambda...

Asked on 12/04/2021

1 answer

How to use keyword symbols in Emacs Lisp?

According to Symbol TypeA symbol whose name starts with a colon (‘:’) is called a keyword symbol. These symbols automatically act as constants, and are normally used only...

Asked on 12/04/2021

3 answer

How do I configure helm-git-grep candidates limit?

I have this in my .emacs file but it still shows that the limit is 300 Candidates.(require 'helm-git-grep) ;; Not necessary if installed by package.el(global-set-key (kbd "C-c g") 'helm-git-grep)(setq...

Asked on 12/02/2021 by Wawrzyniec Pruski

1 answer

Adding header to a org-mode tangled file

I am generating source code files from an org-mode file using org-babel-tangle. How do I add headers to the files e.g.for python# This is a generated file do not...

Asked on 11/30/2021 by mmmmmm

2 answer

File within a root grandparent is detected by emacs as belonging to a directory that doesn't exists

I'm editing a file within a directory /parentdir/userdir/file with the following permissions:$ sudo namei -l $(pwd)drwxr-xr-x root root /drwx------ root ...

Asked on 11/30/2021

1 answer

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