From 6c6c6c104fd0addbeec59f7e2745845ac8a420c9 Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Mon, 12 Nov 2018 05:18:53 +0100
Subject: [PATCH] highlighter: exec_separator will re-create '_to_' groups

so we don't need to re-create them in the main for loop of
airline#highlighter#highlight() and so skip those groups.
---
 autoload/airline/highlighter.vim | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/autoload/airline/highlighter.vim b/autoload/airline/highlighter.vim
index d7f01879..6f1cd947 100644
--- a/autoload/airline/highlighter.vim
+++ b/autoload/airline/highlighter.vim
@@ -259,6 +259,9 @@ function! airline#highlighter#highlight(modes, ...)
           if bnr > 0 && index(buffers_in_tabpage, bnr) == -1
             continue
           endif
+        elseif name =~# '_to_'
+          " group will be redefined below at exec_separator
+          continue
         endif
         if s:group_not_done(airline_grouplist, name.suffix)
           call airline#highlighter#exec(name.suffix, mode_colors)