As at 06-Apr-2020 there are the following Custom macros.
%MM% - generates a link to Direct message an MM user. Declaration here.
Plugins on this Wiki
All Plugins
This page provides a list of ALL Plugins - those installed by Default as part of a standard FOSWIKI installation, plus those which we have implemented for the XRNL Wiki. VarPLUGINDESCRIPTIONS
XRNL instance additional plugins
LinkOptionsPlugin - this adds a third block to the way in which Wikitext creates Links. This third block is used to add additional parameters to a URL (eg what goes into an HTML <a href= xxx> tag). It will be used mostly for "external" links, to make those links open in a New Tab - the last block is [Name:=_blank]. So Wiki links to other wiki pages load in the SAME Tab, while those external to the wiki open in a NEW Tab. Example of syntax of a Wikitext external link would be:-
[[XRNL Main Website][https://www.extinctionrebellion.nl][Name:=_blank]]