Bindings for setting faces (was: PROPOSAL: Repurpose one key and reserve it for third-party packages)

[Kévin Le Gouguec]

Sean Whitton <spwhitton@spwhitton.name> writes:

> For the sake of ease of use I'd suggest replacing M-o b with C-c C-c b.

FWIW (inspiration? avoiding conflicts? 🤷), here's a non-exhaustive
survey of some bindings from major modes derived from text-mode, some of
which propose a WYSIWYG-ish experience:

- AUCTeX: C-c C-f C-[X]
  examples of [X]:
  b → \textbf{bold}
  e → \emph{emphasized}
  i → \textit{italic}

- org-mode: C-c C-x C-f [X]
  examples of [X]:
  * → *bold*
  / → /italic/
  _ → _underlined_
  = → =verbatim=

- markdown-mode: C-c C-s [X]
  examples of [X]:
  b → **bold**
  e → *emphasized*
  q → > quote
  c → `code`
  1 → # Title 1
  2 → ## Title 2