How do I change tabs to spaces in emacs?
To replace tabs with the appropriate number of spaces, use M-x untabify . To do the reverse and convert multiple spaces to tabs, you can use M-x tabify . Both commands work on a region.
How do I fix indentation in emacs?
This is really just dumb, and I should’ve looked this up a long time ago, but there’s a built in command in emacs to handle this. All you do is select the text you want to indent — ctrl-x h for the entire buffer — and then do M-x “indent-region”. That’s all.
How do I use tabs in emacs?
Indentation Commands and Techniques
- If you just want to insert a tab character in the buffer, you can type C-q TAB .
- To insert an indented line before the current line, do C-a C-o TAB .
- C-M-o ( split-line ) moves the text from point to the end of the line vertically down, so that the current line becomes two lines.
How do I indent multiple lines in Emacs?
Steps to do indentation interactively.
- Select the region to be indented.
- C-x TAB .
- Use arrows (← and →) to indent interactively.
- Press Esc three times when you are done with the required indentation.
How do I indent tabs in emacs?
This command, given anywhere on a line, positions point at the first nonblank character on the line. To insert an indented line before the current line, do C-a C-o TAB . To make an indented line after the current line, use C-e C-j . If you just want to insert a tab character in the buffer, you can type C-q TAB .
How to set the tab width in Emacs?
;; set default tab char’s display width to 4 spaces (setq-default tab-width 4) ; emacs 23.1 to 26 default to 8 ;; set current buffer’s tab char’s display width to 4 spaces (setq tab-width 4)
Why does Emacs Backspace one space at a time?
Emacs has a strange default behavior when backspacing tabs. Instead of backspacing the whole tab, it backspaces the tab one space at a time. You can fix that in the following way. The Smart-tabs-mode package helps Emacs indent with tabs and align with spaces in various languages. I personally don’t use it, but it might tickle your fancy.
When do I use no tabs in emacswiki?
As a result, I use the following snippet to default to no tabs, but to use tabs if that’s what a pre-existing file is primarily using for indentation:
How to set Emacs to major mode only?
To set for specific major mode only, use setq in a hook. [see Emacs: What is Hook] Major mode may not respect these settings (either because it has its own design, or because of bad quality). (most or all bundled GNU Emacs major modes for programing languages do conform.)