Subject: [MMUSIC] A possible way to replace 5888

From: Martin Thomson <[email-masked]>
Date: Thu, 7 Nov 2013 10:05:44 -0800

A backwards-compatible offer would need to rely on ordering.

a=groupid:g1
a=group:FOO a b c
a=groupid:g2
a=group:FOO b c
m=blah ...
a=mid:a
a=add-group:FOO g1
m=blah ...
a=mid:b
a=add-group:FOO g1
a=add-group:FOO g2
m=blah ...
a=mid:c
a=add-group:FOO g1
a=add-group:FOO g2

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From: Martin Thomson <[email-masked]>
Date: Thu, 7 Nov 2013 10:15:45 -0800

> A backwards-compatible offer would need to rely on ordering.

And, to address the other issue that was raised, if you want to create
a new group in a partial offer, you can simply send something like
this:

m=blah ...
a=add-group:FOO newgroup
m=blah ...
a=add-group:FOO newgroup