Comments to ebxml profile.

Pim,

Just some comments on your document on ebxml profile.

Section 2.1.

Current text in first bullet: "A signature message exchange"
Proposed text: "A signature generation message exchange" to stress that
the exchange of messages is for generating a signature

Section 2.1.1:

You mention several XML elements. Could it be possible to include the
prefixes you anticipated in section 1.4? They belong to different
namespaces and this may help readers.

Lines 95 to 99. When @RequestId is present with value and the