9.1 Indicating Definitions, Commands, etc.

[Akim Demaille]

Any reason not to sort these nodes?

* code::                        Indicating program code.
* kbd::                         Showing keyboard input.
* key::                         Specifying keys.
* samp::                        Indicating a literal sequence of characters.
* verb::                        Indicating a verbatim sequence of characters.
* var::                         Indicating metasyntactic variables.
* env::                         Indicating environment variables.
* file::                        Indicating file names.
* command::                     Indicating command names.
* option::                      Indicating option names.
* dfn::                         Specifying definitions.
* cite::                        Referring to books not in the Info system.
* abbr::                        Indicating abbreviations.
* acronym::                     Indicating acronyms.
* indicateurl::                 Indicating an example URL.
* email::                       Indicating an electronic mail address.