Updated runtime files.
diff --git a/runtime/doc/channel.txt b/runtime/doc/channel.txt
index aece371..df7ec9f 100644
--- a/runtime/doc/channel.txt
+++ b/runtime/doc/channel.txt
@@ -1,4 +1,4 @@
-*channel.txt* For Vim version 7.4. Last change: 2016 Mar 14
+*channel.txt* For Vim version 7.4. Last change: 2016 Mar 15
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -153,6 +153,9 @@
excluding the NL.
When "mode" is "raw" the "msg" argument is the whole message
as a string.
+
+ For all callbacks: Use |function()| to bind it to arguments
+ and/or a dictionary.
*out_cb*
"out_cb" A function like "callback" but used for stdout. Only for when
the channel uses pipes. When "out_cb" wasn't set the channel