a few quick notes on https://github.com/zellio/j-mode
The new version of j-mode is still under fairly rapid development. It is largely stable and functional albeit poorly documented. If you are planning on using it I would suggest checking for updates early and often at least for the next month or so. The help functionality has yet to be built back in to j-mode it self and is an additional add-on provided by the j-help.el file. It is unfinished and therefore not mentioned in the help documentation. By loading the j-help.el file you will get access to two new functions: j-help-lookup-symbol and j-help-lookup-symbol-at-point. j-help-lookup-symbol will prompt you to enter a j symbol which it will then look-up j-help-lookup-symbol-at-point will attempt to figure out what symbol your cursor is on / closest to and look that up. Currently j-help-lookup-symbol is the only one considered finished. Look up is performed against the jsoftware.com documentation using your system's proffered browser. It is possible to change the configuration such that look up is performed against a local instance of the library by setting the j-help-local-dictionary-url variable to the path of the dictionary files. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm