patch 8.2.0557: no IPv6 support for channels
Problem: No IPv6 support for channels.
Solution: Add IPv6 support. (Ozaki Kiichi, closes #5893)
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index b6867bc..a88cc81 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -375,6 +375,7 @@
*+iconv* Compiled with the |iconv()| function
*+iconv/dyn* Likewise |iconv-dynamic| |/dyn|
T *+insert_expand* |insert_expand| Insert mode completion
+m *+ipv6* Support for IPv6 networking |channel|
m *+job* starting and stopping jobs |job|
S *+jumplist* |jumplist|
B *+keymap* |'keymap'|