On Tue, Nov 16, 2010 at 05:11:49PM +0100, Stefan Sperling wrote: > The new format is as follows: '[-rN] u...@m] PATH' > The old format was: 'PATH [-rN] URL' > > The real difference between the old and new formats is that the URL cannot > have a peg revision in the old format (support for peg revisions in > svn:externals was added in r863820). This means that, using the old format, > one cannot refer to URLs which have been deleted in the HEAD revision.
Correction: Because in the old format, the peg revision defaults to the operative (-r) revision, it's possible to refer to a URL that was deleted in HEAD. But if a path was deleted and recreated multiple times, only the most recent instance of it will be usable from svn:externals. The new format can refer to any instance. Stefan