After downloading a mode (and its requirements) from Jedmodes:
Place the required file(s) in the search path for jed library files (cf. Help>Describe_Function get_jed_library_path).
See the individual source file(s) for detailled usage instructions.
The libdir and make_ini modes provide an jed extension framework.
The functions add_libdir(dir, initialize=1) and append_libdir(dir, initialize=1) register a library dir for use by Jed
Prepend|Append path to the library path
Set Color_Scheme_Path, Jed_Doc_Files, and Jed_Highlight_Cache_Path
Evaluate (if existent) the file ini.sl in this directory to enable initialization (autoloads etc.). This is customizable by the optional second argument.
The functions in make_ini can be used to create such an ini.sl file. They can also preparse SLang files and create DFA syntax tables.