You could copy-paste this whole section into
It has two parts, with one allowing you to type anything you want, like notes which don't appear in the sidebar, and another which has the actual items which will appear in the sidebar.
The old way ∞
This was from 2011-09-17 and earlier, version not recorded.
.. points to
MediaWiki:sectionname, whose contents are the name which appears
** itemurl|itemname (1) (2)
MediaWiki:itemurl, whose contents contain the link identity.
sectionname, points to
MediWiki:itemname, whose contents are the name which appears.