Log Message:
Update to 3.20130710. From the changelog:

* blogspam: Fix encoding issue in RPC::XML call.
  Thanks, Changaco
* comments: The formats allowed to be used in comments can be configured
  using comments_allowformats.
  Thanks, Michal Sojka
* calendar: When there are multiple pages for a given day, they're
  displayed in a popup on mouseover.
  Thanks, Louis
* osm: Remove trailing slash from KML maps icon.
* page.tmpl: omit searchform, trails, sidebar and most metadata in CGI
  (smcv)
* openid: Automatically upgrade openid_realm to https when
  accessed via https.
* The ip() pagespec can now contain glob characters to match eg, a subnet
  full of spammers.
* Fix crash that could occur when a needsbuild hook returned a file
  that does not exist.
* Fix python proxy to not crash when fed unicode data in getstate
  and setstate.
  Thanks, chrysn
* Fix committing attachments when using svn.