It may be that I'm simply misunderstanding something, but what is the rationale
for having `tagged()` also match normal wikilinks?
+> It simply hasn't been implemented yet -- see the answer in [[todo/tag_pagespec_function]]. Tags and wikilinks share the same underlying implementation, although ab reasonable expectation is that they are kept separate. --Ivan Z.
+
The following situation. I have `tagbase => 'tag'`. On some pages, scattered
over the whole wiki, I use `\[[!tag open_issue_gdb]]` to declare that this page
contains information about an open issue with GDB. Then, I have a page