elisp

I edit my StackOverflow answers and questions with ViewSourceWith and Emacs. Often, I include code and StackOverflow formatting rules say that it must be indented by four spaces to be recognized as such. Doing it by hand or even with macros is painful. I searched in SO's previous postings but found nothing. Starting from the Python mode, I wrote: (defun text-shift-region (start end count) "Indent lines from START to END by COUNT spaces." (save-excursion (goto-char end) (beginning-of-line) (setq end (point)) (goto-char start) (beginning-of-line) (setq start (point)) (indent-rigidly start end

I'm writing an emacs major mode, which uses buffer-local variables to store some state: (defun foo-mode () "My nice major mode" (interactive) (kill-all-local-variables) (setq mode-name "foo") (setq major-mode 'foo-mode) (set (make-local-variable 'foo-state) "bar")) (defun foo-change-state () (setq foo-state "baz")) This works very well and has the property that in any buffer not using my major mode, the foo-state variable is not bound (which is a good thing in my opinion, since it avoids cluttering the symbols table). However, byte-compiling such a piece of code produces the following warning:

If I have a folder structure set up like this: ~/Projects emacs package1 package1-helpers package2 package2-helpers package2-more-helpers package3 package3-helpers How do I add these folders: ~/Projects/emacs ~/Projects/emacs/package1 ~/Projects/emacs/package2 ~/Projects/emacs/package3 ...to the load-path from my .emacs file? I basically need a short automated version of this code: (add-to-list 'load-path "~/Projects/emacs") (add-to-list 'load-path "~/Projects/emacs/package1") (add-to-list 'load-path "~/Projects/emacs/package2") (add-to-list 'load-path "~/Projects/emacs/package3") (let ((base

I want to have sort of indiacator at left side of the line wherever I have in the source code #TODO : some comment //TODO: some comments The indicator could be a just mark and I already enabled line numbers displayed at emacs. This command will do something like you want. (defun annotate-todo () "put fringe marker on TODO: lines in the curent buffer" (interactive) (save-excursion (goto-char (point-min)) (while (re-search-forward "TODO:" nil t) (let ((overlay (make-overlay (- (point) 5) (point)))) (overlay-put overlay 'before-string (propertize "A" 'display '(left-fringe right-triangle)))))))

From the documentation I can see I can access command line arguments (command-line-args). I'd like to add my own arguments but Emacs complains at start up that it doesn't recognize them. E.g. emacs -my_argument I get: command-line-1: Unknown option `-my_argument' What's a proper way to define my custom arguments and provide information to my Emacs session? Is there a way to pop an argument from a command line? Add something like this to your ~/.emacs , ~/.emacs.el , or ~/.emacs.d/init.el file: (defun my-argument-fn (switch) (message "i was passed -my_argument")) (add-to-list 'command-switch