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C-hig (emacs)Indentation The simplest way to perform indentation is the <TAB> key. In most major modes, this runs the command ‘indent-for-tab-command’. … If point was initially within the current line’s indentation, it is repositioned to the first non-whitespace character on the line. …

I can reproduce this and it seems like a bug (please do report it), but you can work around it by putting a space after the semicolon (which I think almost everyone does, which would explain why this …

Assuming you're referring to protobuf-mode in MELPA, there is config documentation in its Commentary. Use either of: M-x find-library RET protobuf-mode RET M-x finder-commentary RET protobuf-mode RET …

C-hk( tells us: ( runs the command c-electric-paren (found in c-mode-map), which is an interactive compiled Lisp function in ‘cc-cmds.el’. It is bound to ), (. I suggest: (with-eval-after-load "cc-m …

If the indentation is spaces rather than tabs, give redshift-indent a try. … e.g.: With prefix arg 2, indentation will appear 2 times its normal width. …

That said, I find tabs bad for shell script indentation, as copying and pasting code from a script into a shell running in a terminal can be problematic. …

That's due to electric-indent-mode, which is a global minor mode. You could add (electric-indent-mode -1) to your init file to disable it entirely, or you could try using a custom electric-indent-fun …

The "gnu" style sets c-basic-offset to 2, so that's where that's coming from. As you have specific needs for a specific filename extension, I'd probably just define a derived mode to use with auto-mo …

I noticed that when in ... any mode without an indent-line-function ... the TAB key will jump between columns. I think you've noticed and ignored the answer to your own question. Those modes are …

In asm-mode, C-hk; reports that ; is bound to asm-comment. The Commentary for asm-mode.el (M-x find-library RET asm-mode RET) says: This minor mode is based on text mode. It defines a private abbre …

This is a variant of my answer to copy region without leading indentation which acts directly in the original buffer. … (interactive "P\nr") (save-excursion ;; Establish the minimum level of indentation. …

(with-temp-buffer (setq indent-tabs-mode itm tab-width tw) (set-syntax-table st) (insert-buffer-substring buf beginning end) ;; Establish the minimum level of indentation …

(setq indent-tabs-mode t)) Provided java-mode only ever indents to multiples of tab-width, this ought to give you tab-only indentation. … If not, you would need to determine how to control the level of indentation in java-mode so that you can set that (and/or tab-width -- another buffer-local value) to coincide, so that only tabs will be …

Don't use this version if you use tabs for indentation (although unless you're mixing spaces and tabs, you didn't have a problem to begin with, as for the tabs-only approach you can simply adjust tab-width … I decided to pop it on the Wiki as-is on account of seeing another question View code with different indentation than saved to disk -- before I realised that the other question wasn't actually a duplicate …

These functions take care of indentation, and also comment continuation when you're inside one. (defun my-coding-config () ;; ... …