For some reason, the default interwiki table doesn't include an entry for Wikipedia. I can think of two possible reasons for this:

* The table is a snapshot of the one used for WP, which never needs to refer to itself, so the entry was simply omitted.

* The Powers That Be don't _want_ it to be easy to link to WP (?!?).

Can someone clarify this for me? And, if it's just an accidental omission, could someone find a way to include an entry? I can't be the only MW user who likes to link to WP...

-r

P.S. After getting a clue from Rob, I used the following MySQL to insert a row in my own database:

% mysql -uroot -p Password: ... mysql> use mediawikidb_rdm mysql> INSERT INTO rdm_interwiki VALUES ('wp', 'http://en.wikipedia.org/wiki/$1', 0, 0); mysql>^D