> Er.. I'm only finding a JScript plugin there which, although very useful looking, doesn't appear to be the code plugin .
> Where might I accquire a copy of this valuable piece of kit?
Its in all TikiWikis !
The Guides on that site, use it to seperate the blocks you type etc. The Howto create a style is a good example the green blocks in the wiki page is the code plugin.
Click wiki help when your editing a wiki page, then click Show Plugins Help. and its all there infront of you