Template:C

 Used to include monospaced text which will be inlined in a paragraph or sentence.

This is useful for code, configuration options, and so on. This allows to avoid using the deprecated HTML &lt;TT&gt; tag, and it can be inlined contrarily to the &lt;PRE&gt; tag.

Taken from the Doom Wiki: https://doomwiki.org/wiki/Template:C.