# All Questions

16,112 questions
1k views

### How can I add characters to an input method?

I often use the TeX input method to type Unicode characters like λ, which is quite handy. However, some of the characters I want to type are not supported like various subscripts (say ᵢ), script ...
2k views

### Simple project management---org-mode, or another tool?

I'm a beginning emacs and org-mode user interested in the mode for personal project management. For example, I have a database of photo images: 2014-10-steven-and-his-cats.jpg 2014-10-steven-author-...
269 views

### How to get sauron-org to work for org-mode events?

For some reason I can't get Sauron to see my org-mode events. I can see that the sauron-org module has started though. Is there something else I need to enable/turn on to get Sauron to see org-mode ...
3k views

### How to navigate a JavaScript project?

I'm currently working on a JavaScript project using Backbone.js and I wonder how can I navigate between files, based on method and object definitions. For example, I keep references to some of my ...
586 views

### How can I create a dired buffer listing all open files?

I have a mechanism for burning items to disc from a dired buffer. Unfortunately, the file's I've patched are strewn accross the file system. How can I create a dired buffer from all open files?
555 views

### Elisp reimplementations

Emacs implements an interpreter for elisp in C which serves as the de facto reference implementation. Are there any other implementations of elisp in other languages (particularly Javascript)? What ...
2k views

### How to indent items in LaTeX/AUCTeX itemize environments?

Q: how can I get "proper" indentation of LaTeX itemize environments in auctex? Here's where I'd like to be with an item in an itemize environment: \item line is indented two spaces relative to the ...
3k views

### Practical benefits of new advice system in Emacs 24.4

Emacs 24.4 comes with a new advice system. The NEWS file says: ** New package nadvice.el offers lighter-weight advice facilities. It is layered as: *** add-function/remove-function, which ...
1k views

### Customizing indentation in makefile mode?

In my makefiles, I prefer the following indentation for continuation lines: FILES:= \ file1.cpp \ file2.cpp \ fileYetAnother.cpp LIBS:= \ ...
3k views

### How to use AUCTeX and outline-minor-mode together for folding? [duplicate]

I'd like to easily hide or show the text below individual headings in a large Latex document. I thought this should be possible with outline-minor-mode, however I can not get it to work. I can ...
1k views

### Why are double quotes not escaped in the replace-regexp command?

I have text like this: myvariable = ABCD, EFGH, IJKL, ~subsection1 MNOP, QRST, UVWX, YZ Which I want to transform to: myvariable = "ABCD," "EFGH,\n" \ "IJKL,\n" \ "~subsection1\n" \ "MNOP,\n" \ "...
117 views

### How to use keybindings containing @ in MacOS X?

I'm using Aquamacs 2.x in MacOS X 10.6. (I'm using the Command key as M and the Ctrl key as C.) WHen I try to use keybindings containing "@", it does not work, e. g. C-c @ C-t in outline-minor-mode. ...
463 views

### How do I use TAB instead of Enter for completion in ido-mode?

When I do C-x C-f .emacs.d/i TAB Emacs displays a new buffer which presents "Possible completions", which are in my case auto-save-list/, history and init.el. I would like to have it complete to just ....
2k views

### Recently opened files in ido-mode

I use ido-mode, but one thing I hate about it is that after C-x C-f I cannot use up/down keys to cycle through recently opened files, as it used to be for example with iswitchb. How can I set ido to ...
816 views

### How to stop mu4e from inserting line breaks?

When I write a long line while composing a mail in mu4e, the lines are truncated for viewing (toggle-truncate-lines), but as soon as I hit Enter fixed line breaks (column width seems to be 70 or ...
528 views

### Dumb indentation

I want to force Emacs to do (quasi-)dumb indentation à la Eclipse. By this I mean the following: If the point is at the beginning of a line and I press tab, force shift the line 2 spaces to the right....
444 views

### Persistent effects on overwriting faces

Using Emacs 24.4 with projectile and helm I am trying to customize some faces of the grep results. ;; Helm face customization (M-x helm-colors) (set-face-underline-p 'helm-selection nil) (set-face-...
125 views

### Auto-inserting last used sub-/superscript values in math formulae

I use AUCTeX for type-setting mathematical texts. Often I have to type equations with sums, integrals etc. which all have the same sub- or superscripts. I'd like to autofill the current sub-/...
2k views

### How can I use eww as a renderer for mu4e?

Emacs 24.4 came with native eww browser. What is the proper way to use eww as a renderer for mu4e messages?
261 views

### Helm and custom commands

If I write a command that calls (interactive "f"), Emacs will prompt the user to select a file when the command is run interactively. With Helm enabled, this selection is done through Helm with no ...
435 views

### apostrophe in org-babel export to latex and beamer

How can I get org-babel to properly render ' and not ’ when exporting to LaTeX and to Beamer? I didn't find any good solution yet, and I would like the code to be copy-pasteable.
158 views

### Convert regexp list so that each member has word boundaries

I have several lists with regexp matching categories of file extensions: (let* ( (txt-regexp '("txt" "md" "log" "org" "conf" "rtf")) (el-regexp '("el" "lisp")) (tex-regexp '("tex")) (...
3k views

### Using a different font for each major mode

Is it possible to set different fonts following the major mode? Say Inconsolata-12 in org-mode buffers and Symbola-12 in all remaining modes. Or at least, is it possible to do a (set-frame-font "...
512 views

### How to know if emacs is running as a daemon?

I want to know if emacs is running as a daemon, so I can load some parts of my configuration according, I want to know this from within emacs.
174 views

### How do I change a key binding which also has its own prefix key?

I want to change a couple of key bindings for @wasamasa's eyebrowse package, because I'm on a laptop and the keys < and > aren't easy to access. The thing is, this package defines a custom prefix ...
591 views

### Temporary text in window location with no text to propertize/overlay?

Q: how do I temporarily show text in a window at screen locations with no text to propertize/overlay? I'm familiar with the basic idea behind text properties and overlays (see also this thread), have ...
371 views

### Greek characters in graphs produced by org-babel and gnuplot

I can generate plots using gnuplot source blocks with org-babel like the following: #+begin_src gnuplot :file plot.png plot x w l t "$\epsilon$ = 1", \ 1-x w l t "ε = 0.1" #+end_src which ...
2k views

### Reset custom variable to default value programmatically

Q: Using Elisp, how can I reset a variable to its default value without knowing what that value is? I tried to figure out how to do this by bringing up the Customize interface for a variable I set to ...
149 views

### How to detect keystrokes which don't edit the buffer?

What's the best way to detect keystrokes (e.g. via a hook) which don't edit the buffer? I mean things like arrow-keys for point motion, calls to beginning-of-buffer, etc. The reason for this is that ...
249 views

### How can I bookmark Info page to continue reading later?

How can I bookmark Info page to continue reading later ?
2k views

### Indentation after braces in C

I don't know what the formal name of it is (this being one of the reasons that I can't find how to achieve it). But, what I want is to make Emacs start the second bracket with the same amount of space ...
927 views

### How do I pronounce Emacs?

I struggle to pronounce many computer terms, and to this day still mispronounce latex in my head - it just sounds better rhyming with flex. How would I pronounce Emacs?
22k views

### How to maximize my Emacs frame on start-up?

Is there a way to maximize my window on start-up? Currently, I hit Control++Up on my keyboard but it is very bothersome to do that every time. I am using Emacs 24.4 on Ubuntu 12.04.
247 views

### Some warnings and unexpected indentation with SMIE

I'm trying SMIE to describe the Nix language. Unfortunately when I use it, I have the following problems: There are 4 messages saying: Warning (smie): token } is both closer and neither. Which I do ...
176 views

### Killed buffer still shown by an earlier Ctrl-x Ctrl-b

I found that a killed buffer is still shown by a buffer created earlier by C-x C-b. How can we get the up-to-date buffer list?
593 views

### Using 'create-image' with data, not a file

I am having trouble creating images with just data: (web-http-get (lambda (con hdr data) (setq nic-profile-img-data data)) :url "http://pbs.twimg.com/profile_images/494606908385288192/...
3k views

### How to remap Company's select next and select previous keys?

I don't like the default M-n and M-p keys for company-select-next and company-select-previous so I was wondering if it's possible to remap those to C-n and C-p without affecting the mappings when ...
92 views

### How does one define a widget of type editable-list with validation?

I create my widget with the following code: (widget-create 'editable-list :entry-format "%i %d %v" :value '("") '(editable-field ...
166 views

### Is it possible to alias an internal command?

Since I discovered multi-term, I use it exclusively over term or eshell. But, I'm lazy and would prefer to be able to simply type term to activate multi-term. Is this possible?
104 views

### How should comint-derived modes keep track of buffers and processes?

Having written a couple of custom comint-derived modes, I often find it tricky to decide how to keep track of buffers and processes: for instance, to associate different source buffers with different ...
522 views

### Override syntax highlighting with color of hex code.

From EmacsWiki: Hex Colour, it is explained how to get in-line syntax highlighting of hex code, and other formats of color. For instance with (defvar hexcolour-keywords '(("#[abcdef[:digit:]]\\{6\\}...
4k views

### Is it possible to use both MELPA and MELPA-stable at the same time?

I use melpa-stable as an additional package repository, but one of the packages I like to use (icicles) isn't available on melpa-stable. Is there any way to configure package.el to normally use melpa-...
827 views

### How can I get Cask or Pallet to automatically install packages on startup?

I manage packages in Emacs using Cask and Pallet. Yesterday I upgraded to Emacs 24.4; it went well enough, but all of a sudden all my packages were missing. Cask installs packages in separate ...
747 views

### How can I map over a vector and get a vector?

The only thing I've found that works is (eval `(vector ,@(mapcar #'1+ [1 2 3 4]))) => [2 3 4 5] but that seems far too complicated to be the 'right' way.
2k views

### How to know my buffer's visible/focused status?

I'm writing an extension that talks to an outside process, so it is a given to lower the amount of 'hey whats up' requests when my buffer isn't focused. So, what is the best way to recognize: When ...
960 views

### How to customize syntax highlight for just a given mode

I would like to change the syntax highlighting in my lua-mode.el without affecting other major modes. Just as an example, I would like "key words" like if, then, else to be in bold and blue typeface ...
1k views

### How to customize background color for some web pages opened with eww?

I just installed emacs 24.4 and I've started using eww. But one annoying thing is that when I visit google.com I get a grey background which makes text really hard to read for my theme. This is how ...
1k views

### Display errors and warnings in an org-mode code block

I would like to be able to report warnings and errors when evaluating a Python code block in an Org file. When a code block has Python syntax errors, Org helpfully pops them up in a separate ...