I'm trying to make the kill ring essentially ignore whitespace only entries (tabs, newlines, just spaces, etC), I'm fairly new to elisp and I'm pretty sure the way to do is by doing defadvice but I...

Goal: I want to have show-trailing-whitespace enabled for all buffers save a few. Exceptions posing a problem are *Shell Command Output* and its cousin *Async Shell Command*. I usually have show-t...

I use an Emacs mode to annotate some of my files (the actual mode is not important). It's supplied as a library and comes with compiled lisp code (of course). I want to modify its behavior by overr...

What I'd like to do is intelligently pre-set a buffer-local default value for the string argument to the compile function. Right now compile.el defaults to using "make" as the command. I can set ...

I love emacs. I love regexs. I hate emacs' regex syntax - the need to escape grouping parens and braces, that you dont escape literal parens, the lack of predefined character classes, etc. Can I r...

When I do a C-u C-SPC, emacs takes me to "where I was before". Subsequent C-u C-SPC presses go back up previous places. That is damn great, and I use it a lot. But something always bugged me : The...

In an answer, I noticed: ;; Align with spaces only (defadvice align-regexp (around align-regexp-with-spaces) "Never use tabs for alignment." (let ((indent-tabs-mode nil)) ad-do-it)) (ad-activat...

My windows configuration looks like this: +----------+-----------+ | | | | | | | | | | | | | | | | +-----------+ | | | +----------+-----------+ And I use the lower right window for spec...

In python-mode, there is a function called py-execute-region which sends a highlighted region of code to the Python buffer for evaluation. After evaluation, the cursor is in the Python buffer, but ...