From 6a08454b93784c92296d4c08456401cbaa74c9d5 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 24 Mar 2016 18:24:58 +0100
Subject: patch 7.4.1642 Problem:    Handling emoji characters as full width
 has problems with             backwards compatibility. Solution:   Only put
 characters in the 1f000 range in the emoji table.

---
 runtime/tools/unicode.vim | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'runtime/tools')

diff --git a/runtime/tools/unicode.vim b/runtime/tools/unicode.vim
index e0627b644d..88c4c79609 100644
--- a/runtime/tools/unicode.vim
+++ b/runtime/tools/unicode.vim
@@ -283,6 +283,12 @@ func! BuildEmojiTable(pattern, tableName)
       call add(alltokens, token)
     endif
 
+    " Characters below 1F000 may be considered single width traditionally,
+    " making them double width causes problems.
+    if first < 0x1f000
+      continue
+    endif
+
     " exclude characters that are in the "ambiguous" or "doublewidth" table
     for ambi in s:ambitable
       if first >= ambi[0] && first <= ambi[1]
-- 
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