patch 7.4.1604

Problem:    Although emoji characters are ambiguous width, best is to treat
            them as full width.
Solution:   Update the Unicode character tables. Add the 'emoji' options.
            (Yasuhiro Matsumoto)

src/mbyte.c

@@ -1253,11 +1253,6 @@ utf_char2cells(int c)
 	{0xfe68, 0xfe6b},
 	{0xff01, 0xff60},
 	{0xffe0, 0xffe6},
-	{0x1b000, 0x1b001},
-	{0x1f200, 0x1f202},
-	{0x1f210, 0x1f23a},
-	{0x1f240, 0x1f248},
-	{0x1f250, 0x1f251},
 	{0x20000, 0x2fffd},
 	{0x30000, 0x3fffd}
     };
@@ -1441,6 +1436,148 @@ utf_char2cells(int c)
 	{0x100000, 0x10fffd}
     };
 
+    /* Sorted list of non-overlapping intervals of Emoji characters,
+     * based on http://unicode.org/emoji/charts/emoji-list.html */
+    static struct interval emoji[] =
+    {
+	{0x203c, 0x203c},
+	{0x2049, 0x2049},
+	{0x2122, 0x2122},
+	{0x2139, 0x2139},
+	{0x2194, 0x2199},
+	{0x21a9, 0x21aa},
+	{0x231a, 0x231b},
+	{0x2328, 0x2328},
+	{0x23cf, 0x23cf},
+	{0x23e9, 0x23f3},
+	{0x24c2, 0x24c2},
+	{0x25aa, 0x25ab},
+	{0x25b6, 0x25b6},
+	{0x25c0, 0x25c0},
+	{0x25fb, 0x25fe},
+	{0x2600, 0x2604},
+	{0x260e, 0x260e},
+	{0x2611, 0x2611},
+	{0x2614, 0x2615},
+	{0x2618, 0x2618},
+	{0x261d, 0x261d},
+	{0x2620, 0x2620},
+	{0x2622, 0x2623},
+	{0x2626, 0x2626},
+	{0x262a, 0x262a},
+	{0x262e, 0x262f},
+	{0x2638, 0x263a},
+	{0x2648, 0x2653},
+	{0x2660, 0x2660},
+	{0x2663, 0x2663},
+	{0x2665, 0x2666},
+	{0x2668, 0x2668},
+	{0x267b, 0x267b},
+	{0x267f, 0x267f},
+	{0x2692, 0x2694},
+	{0x2696, 0x2697},
+	{0x2699, 0x2699},
+	{0x269b, 0x269c},
+	{0x26a0, 0x26a1},
+	{0x26aa, 0x26ab},
+	{0x26b0, 0x26b1},
+	{0x26bd, 0x26be},
+	{0x26c4, 0x26c5},
+	{0x26c8, 0x26c8},
+	{0x26ce, 0x26ce},
+	{0x26cf, 0x26cf},
+	{0x26d1, 0x26d1},
+	{0x26d3, 0x26d4},
+	{0x26e9, 0x26ea},
+	{0x26f0, 0x26f5},
+	{0x26f7, 0x26fa},
+	{0x26fd, 0x26fd},
+	{0x2702, 0x2702},
+	{0x2705, 0x2705},
+	{0x2708, 0x2709},
+	{0x270a, 0x270b},
+	{0x270c, 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},
+	{0x2757, 0x2757},
+	{0x2763, 0x2764},
+	{0x2795, 0x2797},
+	{0x27a1, 0x27a1},
+	{0x27b0, 0x27b0},
+	{0x27bf, 0x27bf},
+	{0x2934, 0x2935},
+	{0x2b05, 0x2b07},
+	{0x2b1b, 0x2b1c},
+	{0x2b50, 0x2b50},
+	{0x2b55, 0x2b55},
+	{0x3030, 0x3030},
+	{0x303d, 0x303d},
+	{0x3297, 0x3297},
+	{0x3299, 0x3299},
+	{0x1f004, 0x1f004},
+	{0x1f0cf, 0x1f0cf},
+	{0x1f170, 0x1f171},
+	{0x1f17e, 0x1f17e},
+	{0x1f17f, 0x1f17f},
+	{0x1f18e, 0x1f18e},
+	{0x1f191, 0x1f19a},
+	{0x1f1e6, 0x1f1ff},
+	{0x1f201, 0x1f202},
+	{0x1f21a, 0x1f21a},
+	{0x1f22f, 0x1f22f},
+	{0x1f232, 0x1f23a},
+	{0x1f250, 0x1f251},
+	{0x1f300, 0x1f320},
+	{0x1f330, 0x1f335},
+	{0x1f337, 0x1f37c},
+	{0x1f380, 0x1f393},
+	{0x1f3a0, 0x1f3c4},
+	{0x1f3c6, 0x1f3ca},
+	{0x1f3e0, 0x1f3f0},
+	{0x1f400, 0x1f43e},
+	{0x1f440, 0x1f440},
+	{0x1f442, 0x1f4f7},
+	{0x1f4f9, 0x1f4fc},
+	{0x1f500, 0x1f53d},
+	{0x1f550, 0x1f567},
+	{0x1f5fb, 0x1f5ff},
+	{0x1f600, 0x1f600},
+	{0x1f601, 0x1f610},
+	{0x1f611, 0x1f611},
+	{0x1f612, 0x1f614},
+	{0x1f615, 0x1f615},
+	{0x1f616, 0x1f616},
+	{0x1f617, 0x1f617},
+	{0x1f618, 0x1f618},
+	{0x1f619, 0x1f619},
+	{0x1f61a, 0x1f61a},
+	{0x1f61b, 0x1f61b},
+	{0x1f61c, 0x1f61e},
+	{0x1f61f, 0x1f61f},
+	{0x1f620, 0x1f625},
+	{0x1f626, 0x1f627},
+	{0x1f628, 0x1f62b},
+	{0x1f62c, 0x1f62c},
+	{0x1f62d, 0x1f62d},
+	{0x1f62e, 0x1f62f},
+	{0x1f630, 0x1f633},
+	{0x1f634, 0x1f634},
+	{0x1f635, 0x1f640},
+	{0x1f645, 0x1f64f},
+	{0x1f680, 0x1f6c5}
+    };
+
     if (c >= 0x100)
     {
 #ifdef USE_WCHAR_FUNCTIONS
@@ -1460,6 +1597,8 @@ utf_char2cells(int c)
 	if (intable(doublewidth, sizeof(doublewidth), c))
 	    return 2;
 #endif
+	if (p_emoji && intable(emoji, sizeof(emoji), c))
+	    return 2;
     }
 
     /* Characters below 0x100 are influenced by 'isprint' option */