* configurable syntax highlighting.
* configurable keyboard accelerators.
* multiplatform - works both on unix and windows.
* plugins: can be written in c or python.
* configurable tools available from the main and context menus. they can be
written in python, or it can be a shell script, or in mooscript - simple
builtin scripting lanugage.
* regular expression search/replace, grep and find frontends, builtin file
selector and whatnot.