commit f6157284de71d8881f3b89fbd79d1ecbf842929f
author Bram Moolenaar <Bram@vim.org> Wed Feb 10 21:07:14 2016 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Feb 10 21:07:14 2016 +0100
tree 44a698ec890f1b71930999b492865d74670f4c9c
parent d6a8d48587b2ff43c343fa365898576cc1e235ea

patch 7.4.1299
Problem:    When the server sends a message with ID zero the channel handler
            is not invoked. (Christian J.  Robinson)
Solution:   Recognize zero value for the request ID.  Add a test for invoking
            the channel handler.

src/channel.c

diff --git a/src/channel.c b/src/channel.c
index 50dd180..af282cd 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -786,6 +786,7 @@
 
 	if ((id > 0 && tv->v_type == VAR_NUMBER && tv->vval.v_number == id)
 	      || (id <= 0 && (tv->v_type != VAR_NUMBER
+			       || tv->vval.v_number == 0
 			       || tv->vval.v_number != channel->ch_block_id)))
 	{
 	    *rettv = item->value;