patch 7.4.1642v7.4.1642

Problem:    Handling emoji characters as full width has problems with
            backwards compatibility.
Solution:   Only put characters in the 1f000 range in the emoji table.

3 files changed, 8 insertions, 58 deletions

diff --git a/runtime/tools/unicode.vim b/runtime/tools/unicode.vim
index e0627b644..88c4c7960 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]
diff --git a/src/mbyte.c b/src/mbyte.c
index 811f80d9e..f38e63e77 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -1445,64 +1445,6 @@ utf_char2cells(int c)
      * based on http://unicode.org/emoji/charts/emoji-list.html */
     static struct interval emoji_width[] =
     {
-	{0x203c, 0x203c},
-	{0x2049, 0x2049},
-	{0x2139, 0x2139},
-	{0x21a9, 0x21aa},
-	{0x231a, 0x231b},
-	{0x2328, 0x2328},
-	{0x23cf, 0x23cf},
-	{0x23e9, 0x23f3},
-	{0x25aa, 0x25ab},
-	{0x25fb, 0x25fe},
-	{0x2600, 0x2604},
-	{0x2611, 0x2611},
-	{0x2618, 0x2618},
-	{0x261d, 0x261d},
-	{0x2620, 0x2620},
-	{0x2622, 0x2623},
-	{0x2626, 0x2626},
-	{0x262a, 0x262a},
-	{0x262e, 0x262f},
-	{0x2638, 0x263a},
-	{0x2648, 0x2653},
-	{0x2666, 0x2666},
-	{0x267b, 0x267b},
-	{0x267f, 0x267f},
-	{0x2692, 0x2694},
-	{0x2696, 0x2697},
-	{0x2699, 0x2699},
-	{0x269b, 0x269c},
-	{0x26a0, 0x26a1},
-	{0x26aa, 0x26ab},
-	{0x26b0, 0x26b1},
-	{0x26bd, 0x26bd},
-	{0x26ce, 0x26ce},
-	{0x2702, 0x2702},
-	{0x2705, 0x2705},
-	{0x2708, 0x270d},
-	{0x270f, 0x270f},
-	{0x2712, 0x2712},
-	{0x2714, 0x2714},
-	{0x2716, 0x2716},
-	{0x271d, 0x271d},
-	{0x2721, 0x2721},
-	{0x2728, 0x2728},
-	{0x2733, 0x2734},
-	{0x2744, 0x2744},
-	{0x2747, 0x2747},
-	{0x274c, 0x274c},
-	{0x274e, 0x274e},
-	{0x2753, 0x2755},
-	{0x2763, 0x2764},
-	{0x2795, 0x2797},
-	{0x27a1, 0x27a1},
-	{0x27b0, 0x27b0},
-	{0x27bf, 0x27bf},
-	{0x2934, 0x2935},
-	{0x2b05, 0x2b07},
-	{0x2b1b, 0x2b1c},
-	{0x2b50, 0x2b50},
 	{0x1f004, 0x1f004},
 	{0x1f0cf, 0x1f0cf},
 	{0x1f1e6, 0x1f1ff},
diff --git a/src/version.c b/src/version.c
index 465794a0a..15b6d0dea 100644
--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1642,
+/**/
     1641,
 /**/
     1640,