This script allows you to convert lists to wiki links.
<script label="L2W" title="convert list to wikilinks">
var here=story.findContainingTiddler(place);
   if (!here) return;
   var title=here.getAttribute("tiddler");
   var tid=store.getTiddler(title);
   var t=store.getTiddlerText(tiddler.title) ;
   var target = store.getTiddler(tiddler.title) ;
var txt='[['+tid.text.split('\n').join(']]\n[[')+']]';
store.saveTiddler
(tid.title,tid.title,txt,tid.modifier,tid.modified,tid.tags,tid.fields);
</script> 

Paste a line seperated list into a tiddler then "run" the script on the list to get double bracketed list items.

Source: Måns Mårtensson http://groups.google.com/group/tiddlywiki/browse_thread/thread/a8922becd1f29938#
bag
tiddlywiki_public
created
Sun, 19 Feb 2012 19:00:23 GMT
creator
keithb
modified
Mon, 14 May 2012 16:03:58 GMT
modifier
zemoxian
tags
WikiWord
example
script