The allowable syntax for svn:externals is a bit unclear in the Redbook. Shouldn't I be able to set the svn:external to point to a location in my active repository, such as the below settings?
svn propset svn:externals "release-1 ^/tags/release-1" . I seem to be able to set such values, but updating with such values fails miserably with the subversino-1.6.12, published from RPMforge on RHEL 5 (for reference to the version I'm using).