[Telepathy] ANNOUNCE: telepathy-spec 0.17.7

[Simon McVittie]

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telepathy-spec 0.17.7, the "propertifying the countryside" release.

The latest release is, as always, available from:
http://telepathy.freedesktop.org/spec.html
http://darcs.collabora.co.uk/darcs/telepathy/telepathy-spec/
or for packagers (e.g. http://packages.debian.org/telepathy-spec):
tar: http://telepathy.freedesktop.org/releases/telepathy-spec/telepathy-spec-0.17.7.tar.gz
sig: http://telepathy.freedesktop.org/releases/telepathy-spec/telepathy-spec-0.17.7.tar.gz.asc

API changes:

* The Channel interface now contains properties:

  - TargetHandleType/TargetHandle (the same thing that GetHandle returns),
    deprecating GetHandle
  - ChannelType (the same thing that GetChannelType returns), deprecating
    GetChannelType
  - Interfaces (the same thing that GetInterfaces returns), deprecating
    GetInterfaces

* Channels are no longer guaranteed unique per (channel type, handle type,
  handle) triple, even when the handle type is nonzero

New experimental API:

* The Channel.FUTURE interface contains functionality targeted for inclusion
  in the core Channel interface after we have some implementation experience:

  - TargetHandleID (the ID obtained by inspecting the TargetHandle)
  - InitiatorHandle (the initiator of the channel)
  - InitiatorID (the ID obtained by inspecting the InitiatorHandle)

Fixes:

* Correct various references to obsolete API
* Mark things that were added or deprecated in 0.17.6 as such, rather than
  saying "0.17.UNRELEASED"

Additional documentation:

* Lists of use-cases for future functionality have been added, and we've
  started to propose implementations for use in the future Requests API.
  Please discuss these on the Telepathy mailing list
  <mailto:telepathy at lists.freedesktop.org> or in #telepathy on
  irc.freenode.net, and see http://monkey.collabora.co.uk/
  for further use-cases and implementation proposals.

Notes to packagers:

* Compiling the dispatch/request use-cases to HTML requires rst2html
  from the Python docutils package (python-docutils in Debian and Fedora).

Regards,
    Simon
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