I don't know svn terribly well and not sure how to do the following. I want to change a single line of the svn:externals property. On dir, svn:externals has several directories set up
>svn propget svn:externals dir
a svn://externalproject/a
b svn://externalproject/b
c svn://externalproject/c
d svn://externalproject/d
And I would like to change, say, b svn://externalproject/b
to b/b1 svn://externalproject/b1
that is to say, remove off the externals and replace it with a different one. How do I do that? I'm using svn on the command line, version 1.6.9.