ISSUE-76: add file extension remark to security context information list

ISSUE-76: add file extension remark to security context information list

http://www.w3.org/2006/WSC/Group/track/issues/76

Raised by: Stephen Farrell
On product: Note: use cases etc.


Action for this was: http://www.w3.org/2006/WSC/Group/track/actions/242

My suggestion was:

So the action is on me to somehow add MIME file extensions
to the list of things in 7.2 of the use cases note, which
currently says (in part):

                - MIME type of the content

I'd like it to say:

                - MIME type of the content and related information, e.g.
                                 file extension