Hierarchical list of keywords/categories

A controlled vocabulary for the subject: term is vital for the mode listings at Mode - Subject and Categories to be helpfull for the user.

Categories

ui

user interface (modes that add “core” functionality, global menu entries and/or global keybindings)

ui.emulation:: emulation of other editors
ui.help:: support for jed-s on-line help system
ui.i18n:: internationalization and alternative character-set support
ui.convenience:: user interface enhancements

slang-extensions

Slang language extensions for reuse in other modes and tools for use of slang-extensions in jed

languages

modes for machine languages (markup and programming)

languages.programming:: programming languages [slang, perl, python, c]
languages.markup:: markup languages [html, tex, xml, yodl, restructured-text]
languages.markup.tex:: modes for Tex and Friends (e.g. LaTeX, BibTeX)

If there is a group of modes relating to a special language, create a new subcategory for languages.programming or languages.markup

tools

interfaces to and emulation of system tools and resources

tools.editing:: generic editing tools [dabbrev, temabbrv, autotext, turbo, ispell, ding]
tools.file:: interface to filesystem [filelist, grep, ffap, mtools, md5]
tools.help:: interface to online help systems [hyperman, info, jedscape, rfcview]
tools.mail:: modes for editing and managing emails
tools.net:: make jed net-aware [browse_url, jedscape, uri]
tools.programming:: helpers for the programmer [ctags, cdecl, hyperman, sltabc, tmtools]
tools.system:: interface to the operating system [ishell, print-buffer]

games

games, jokes, and amusements

orthogonal keywords

os

modes specific to an operating system

os.unix:: Unix operating system
os.x11:: X-windows version of jed
os.windows:: MS-windows version of jed
os.dos:: DOS operating system