Example (from [here](http://git.ikiwiki.info/?p=ikiwiki;a=blobdiff;f=doc/todo/matching_different_kinds_of_links.mdwn;h=26c5a072bf3cb205b238a4e6fd0882583a0b7609;hp=1d7c78d9065d78307b43a1f58a53300cde4015fa;hb=9b4c83127fdef0ceb682c104db9bfb321b17022e;hpb=df4cc4c16ca230ee99b80c80043ba54fb95f6e71)):
<pre>
[[`\[[!taglink TAG\]\]`|plugins/tag]]
</pre>
gives:

[[`\[[!taglink TAG\]\]`|plugins/tag]]

Expected: there is a [[ikiwiki/wikilink]] with the complex text as the displayed text. --Ivan Z.
