[4.1] 5661746 Mention the join character

[PÃ¥l Hermunn Johansen]

commit 56617468eda2ab4f7f8a0dc1f655cf4d92a88cbf
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Thu Feb 25 13:01:27 2016 +0000

    Mention the join character

diff --git a/lib/libvmod_std/vmod.vcc b/lib/libvmod_std/vmod.vcc
index cc2506e..bb69945 100644
--- a/lib/libvmod_std/vmod.vcc
+++ b/lib/libvmod_std/vmod.vcc
@@ -108,6 +108,7 @@ $Function VOID collect(HEADER hdr)
 
 Description
 	Collapses multiple *hdr* headers into one long header.
+	The header values are joined with a comma (",").
 
 	Care should be taken when collapsing headers. In particular
 	collapsing Set-Cookie will lead to unexpected results on the