[Orgmode] Org-mode version 6.30; Links in categories break layout

[Peter Westlake]

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Here's a plain-text view of my agenda that shows the problem:

  meta:       TODO Report invisible scheduled items
  [[foo][test]]:TODO Get layout right when category is a link

Because the link is displayed as "test" in the link face,
it is only four characters long, so it should have seven
spaces after it.

(Aside: I wondered if this might be simple enough for me
 to fix it myself. Turns out not :-)

Peter.

Emacs  : GNU Emacs 23.1.50.1 (i486-pc-linux-gnu, GTK+ Version 2.12.12)
 of 2009-07-30 on elegiac, modified by Debian
Package: Org-mode version 6.30