It would be useful to include at the footer of each page of the wikihelp, the path to the .xhp file so that people wanting to work on the help can easily track down the .xhp file they want to modify, as this isnt possible with the offline help and it is difficult to find a page you want to edit.
Sure -> NEW.
Not for the wikihelp, but if you add
in the URl of the new online help you get a black box in bottom of the page with a link to the file in opengrok.
wikihelp is no longer maintained. See comment#2 .