Questions tagged [help]

Questions about using the built-in help system in Emacs or how to find help.

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37
votes
1answer
2k views

What is the difference between a function and a command?

When posting questions and answers here, people sometimes use the terms "function" and "command" interchangeably. In other cases, people only use one of the two terms to discuss specific pieces of ...
10
votes
2answers
408 views

Emacs manuals are missing on Debian/Ubuntu

I was expecting the Emacs Lisp Reference Manual at (C-h i m elisp). But there was no menu elisp or lisp there. C-h v and C-h f work fine for variables or functions though. C-h i 5 takes me to file ...
4
votes
3answers
3k views

Info file emacs does not exist

When I type C-h r I get error: Debugger entered--Lisp error: (error "Info file emacs does not exist") signal(error ("Info file emacs does not exist")) error("Info file %s does not exist" "...
53
votes
9answers
8k views

How can I start learning Emacs Lisp?

Background: I'm mostly a vi user and am converting to Emacs. Past the basics and now use it for writing code in C and some Python with plans to do an R conversion too. I wrote (Common) LISP for ...
1
vote
1answer
145 views

Command abbreviation

After running M-x magit-status Emacs provided me this suggestion in the mini-buffer: You can run the command ‘magit-status’ with M-x m-stat RET Is this a built-in feature of emacs? If not, does ...
4
votes
1answer
556 views

How to look up documentation for a minor mode?

I just decided that I should try the outline-minor-mode for showing and hiding Emacs lisp defun definitions in an Emacs Lisp file. So I typed M-x outline-minor-mode and then I would like to get an ...
2
votes
1answer
84 views

How do I install An Introduction to Programming in Emacs Lisp? [duplicate]

This may sound odd, but when I type C-h i m Emacs Lisp Intro -- it's not there. I'm on Ubuntu 19.10 with Emacs 26.3. I tried apt-get install emacs-lisp-intro as the EmacsWiki said, but there's no such ...
2
votes
1answer
284 views

Please explain the behaviour of this emacs feature. (Lisp Interaction mode, truncate long lines)

Sometimes when a function or variable outputs a very long line, it ends with ...). When the cursor is on that line and I press return, the line gets longer (probably expanded). I guess this is some ...
1
vote
1answer
121 views

Bindings in helm-help?

when helm is active, I can press C-c ? to open a buffer containing helpful information for the current helm session. Now, coming from vim, I'd like to have some evil-bindings in that window, but I'm ...