Fix #2106 (implement message delivery receipts)

- two options request/ack_message_receipts
- two new theme parameters : CHAR_ACK_RECEIVED and COLOR_CHAR_ACK
- if a message has a receipt, the character is displayed between the
  timestamp and the nick, using the color

2 files changed, 15 insertions, 0 deletions

diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index 50b9fc71..cb2fbddb 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -364,6 +364,19 @@ to understand what is :ref:`carbons <carbons-details>` or
         XHTML and CSS formating. We can use this to make colored text for example.
         Set to ``true`` if you want to see colored (and otherwise formatted) messages.
 
+    request_message_receipts
+
+        **Default value:** ``true``
+
+        Request message receipts when sending messages (except in groupchats).
+
+    ack_message_receipts
+
+        **Default value:** ``true``
+
+        Acknowledge message receipts requested by the other party.
+
+
     send_chat_states
 
         **Default value:** ``true``
diff --git a/doc/source/dev/xep.rst b/doc/source/dev/xep.rst
index 7d303a03..268ee932 100644
--- a/doc/source/dev/xep.rst
+++ b/doc/source/dev/xep.rst
@@ -37,6 +37,8 @@ Table of all XEPs implemented in poezio.
 +----------+-------------------------+---------------------+
 |0172      |User Nickname            |100%                 |
 +----------+-------------------------+---------------------+
+|0184      |Message Delivery Receipts|100%                 |
++----------+-------------------------+---------------------+
 |0191      |Simple Communication     |95%                  |
 |          |Blocking                 |                     |
 +----------+-------------------------+---------------------+