Here is one approach:

I feel like I have seen some work that used ruby and python icons as
displays over #+begin_src, but I can't find it now.


Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213

On Tue, Jun 2, 2020 at 2:54 PM William Denton <> wrote:

> Is anyone doing any fancy formatting of source blocks, such as putting a
> line
> in the left fringe, or a box around them, or having some interesting
> background?
> I ask because I recently changed the theme I use to get the dark Solarized
> look
> I like,[1] and all of a sudden my #+begin_src lines were underlined and
> #+end_src had a line above it.  These come from org-block-begin-line and
> org-block-end-line, and are shown here, but I'd never noticed them in
> documentation or had them on my screen before:
> Aside from fontifying the source blocks I've never done anything special
> about
> them (except wonder how I ever did anything without them), but seeing this
> made
> me wonder if anyone here has really customized them so they look like
> medieval
> manuscripts or something from a futuristic video game.  (If any of that is
> possible---but in Emacs, anything is possible ...)
> Bill
> [1] Now I'm using, with
> variable
> pitch turned off and Org headline resizing turned off.
> --
> William Denton :: Toronto, Canada   ---   Listening to Art:
>         ---   GHG.EARTH:
> Caveat lector.                      ---   STAPLR:

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