-#. TRANS: Text label for realtime view "play" button, usually replaced by an icon.
-#: RealtimePlugin.php:339
+#. TRANS: Client exception. Do not translate POST.
+#: actions/keepalivechannel.php:65 actions/closechannel.php:65
+msgid "You have to POST it."
+msgstr ""
+
+#. TRANS: Client exception thrown when the channel key argument is missing.
+#: actions/keepalivechannel.php:72 actions/closechannel.php:72
+msgid "No channel key argument."
+msgstr ""
+
+#. TRANS: Client exception thrown when referring to a non-existing channel.
+#: actions/keepalivechannel.php:79 actions/closechannel.php:79
+msgid "No such channel."
+msgstr ""
+
+#. TRANS: Text label for realtime view "play" button, usually replaced by an
+#. icon.
+#: RealtimePlugin.php:387