Is there a wiki-style "Playground" on this site?

How to add a “code” to the answer?

To display “verbatim” (code, input etc) content, either surround the text with backticks ` ` or indent each line of the text block by four spaces or more.

https://bugs.freedesktop.org/show_bug.cgi?id=67084

https://bugs.freedesktop.org/show_bug.cgi?id=67084

Test

asdf

fdsa

  1. A
  2. B
  3. C

D

E

F

Strikethrough

X

Y

Delete

ALT+V

Comment formatting

Geneva, 14 March 2013. At the Moriond Conference today, the ATLAS and CMS collaborations at CERN’s Large Hadron Collider (LHC) presented preliminary new results that further elucidate the particle discovered last year.

I wish I could work at better understand the science of the LHC.

Image linking and embedding

This is a link to an uploaded image.

This is an embedded graphic (site banner):

LO banner

Quotation:

… preliminary new results that further elucidate the [Higgs Boson] particle
Deleted text: Is the standard model imbalanced in need of balancing?

Quotation (2 new lines):

… preliminary new results that further elucidate the [Higgs Boson] particle

Quotation (html notation):
>… preliminary new results that further elucidate the [Higgs Boson] particle

Test of formatting: ~/.bashrc, fdo#123456, wikipedia, italic, bold, @not-user1.