Linkify account_data API

Also change other links because it turns out the .. isn't part
of the syntax

changelogs/client_server.rst

@@ -37,7 +37,7 @@
   - Add top-level ``account_data`` key to the responses to ``GET /sync`` and
     ``GET /initialSync``
     (`#380 <https://github.com/matrix-org/matrix-doc/pull/380>`_).
-  - Add ``is_direct`` flag to .. |/createRoom|_ and invite member event.
+  - Add ``is_direct`` flag to |/createRoom|_ and invite member event.
     Add 'Direct Messaging' module.
     (`#389 <https://github.com/matrix-org/matrix-doc/pull/389>`_).
   - Add ``contains_url`` option to ``RoomEventFilter``.

specification/client_server_api.rst

@@ -1281,3 +1281,6 @@ have to wait in milliseconds before they can try again.
 
 .. |/account/3pid| replace:: ``/account/3pid``
 .. _/account/3pid: #post-matrix-client-%CLIENT_MAJOR_VERSION%-account-3pid
+
+.. |/user/<user_id>/account_data/<type>| replace:: ``/user/<user_id>/account_data/<type>``
+.. _/user/<user_id>/account_data/<type>: #put-matrix-client-%CLIENT_MAJOR_VERSION%-user-userid-account-data-type

specification/modules/dm.rst

@@ -39,10 +39,9 @@ Client behaviour
 The invitee's client may use the ``is_direct`` flag in `m.room.member`_ to
 automatically mark the room as a direct message but this is not required: it
 may for example, prompt the user, ignore the flag altogether. To do this, it
-stores this event in account data using the ``account_data`` API: see `Client
-Config`_.
+stores this event in account data using the |/user/<user_id>/account_data/<type>|_ API.
 
-The inviter's client should set the ``is_direct`` flag to .. |/createRoom|_
+The inviter's client should set the ``is_direct`` flag to |/createRoom|_
 whenever the flow the user has followed is one where their
 intention is to speak directly with another person, as opposed to bringing that
 person in to a shared room. For example, clicking on, 'Start Chat' beside a
@@ -50,6 +49,6 @@ person's profile picture would imply the ``is_direct`` flag should be set.
 
 Server behaviour
 ----------------
-When the ``is_direct`` flag is given to .. |/createRoom|_, the home
+When the ``is_direct`` flag is given to |/createRoom|_, the home
 server must set the ``is_direct`` flag in the invite member event for any users
 invited in the ``createRoom`` call.