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user 9982
Questions about using the built-in help system in Emacs or how to find help.
4
votes
How to see the code of a built-in function
It does that because you don't happen to already have a copy of the emacs source code handy; it's giving you the opportunity to go open the file yourself instead. The source is hosted on Savannah (at …
- 19.1k
0
votes
In the help page of a function/variable, how to jump to the corresponding part in the manual?
If there's a link you can follow it, otherwise you just have to open the manual (C-h i) and navigate to the correct section yourself.
- 19.1k
1
vote
How to describe-mode (but not the current major mode)?
You can call describe-minor-mode to get help on any minor mode. It prompts you to enter either a symbol or an indicator from your mode line, and gives you the help for that mode. …
- 19.1k
5
votes
Accepted
Which byte-compile-file is my Emacs using? Function signature in describe-function differs t...
You can get more information by looking at the help for set-advertised-calling-convention.
¹: There is, of course, a caveat. …
- 19.1k
2
votes
Accepted
interactive function: Meaning of Does not do I/O
It just means that it doesn’t prompt the user for any information.
- 19.1k
2
votes
Accepted
How am I able to check, what function a combination like C-u C-SPC calls?
Did you read what it tells you about C-u? It says something like this:
Begin a numeric argument for the following command.
Yadda yadda yadda, blah blah…
And what do you suppose the following command …
- 19.1k
3
votes
What's :eval (colon eval) in defcustom?
Run C-h f defcustom RET to show the help information for defcustom. This will tell you what arguments it expects. …
- 19.1k
1
vote
Accepted
How to get the value of an evaluated function and nothing else?
Did you try reading the help for eval-expression? You can get the help for a function with C-h f, but I will duplicate it here:
Evaluate EXP and print value in the echo area. …
- 19.1k
1
vote
emacs command window is too small
You’re looking at which-key-mode, which is not technically part of Doom Emacs, just something it installs and turns on for you. Like any good Emacs package, which-key provides a number of customizable …
- 19.1k
5
votes
How can I see what Major and Minor modes I'm currently in?
Almost every mode puts some kind of text in the mode line, which is the line of text at the bottom of every buffer. You can also type C-h m (or M-x describe-mode)to get long-form documentation about e …
- 19.1k
4
votes
Accepted
Which command is triggered by a button?
The button property often holds something that looks like an object:
(push-button :tag " Revert... " :help-echo "Show a menu with reset operations." … \210\207"
[("(push-button :tag \" Revert... \" :help-echo \"Show a menu with reset operations.\" :mouse-down-action ignore :action custom-reset :button-overlay #<overlay from 165 to 176 in *Customize …
- 19.1k
7
votes
Accepted
How do I customize the way Emacs prints out certain keys and key sequences?
This is used by the built-in help facilities such as describe-key and describe-function to display information about key bindings. It calls single-key-description on each element of the input list. …
- 19.1k
5
votes
How does scoping work in emacs lisp
You can find out where a function was defined by asking for help on the function with C-h f. It will prompt you for a function name. …
- 19.1k