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)
diff --git a/runtime/tools/unicode.vim b/runtime/tools/unicode.vim
index d733fe8..dfe9cef 100644
--- a/runtime/tools/unicode.vim
+++ b/runtime/tools/unicode.vim
@@ -251,6 +251,27 @@
wincmd p
endfunc
+" Build the amoji width table in a new buffer.
+func! BuildEmojiTable(pattern, tableName)
+ let ranges = []
+ for line in map(filter(filter(getline(1, '$'), 'v:val=~"^[1-9]"'), 'v:val=~a:pattern'), 'matchstr(v:val,"^\\S\\+")')
+ let token = split(line, '\.\.')
+ if len(token) == 1
+ call add(token, token[0])
+ endif
+ call add(ranges, printf("\t{0x%04x, 0x%04x},", "0x".token[0], "0x".token[1]))
+ endfor
+
+ " New buffer to put the result in.
+ new
+ exe "file " . a:tableName
+ call setline(1, " static struct interval " . a:tableName . "[] =")
+ call setline(2, " {")
+ call append('$', ranges)
+ call setline('$', getline('$')[:-2]) " remove last comma
+ call setline(line('$') + 1, " };")
+ wincmd p
+endfunc
" Try to avoid hitting E36
set equalalways
@@ -290,3 +311,9 @@
" Build the ambiguous width table.
call BuildWidthTable('A', 'ambiguous')
+
+" Edit the emoji text file. Requires the netrw plugin.
+edit http://www.unicode.org/Public/emoji/3.0/emoji-data.txt
+
+" Build the emoji table. Ver. 1.0 - 6.0
+call BuildEmojiTable('; Emoji\s\+# [1-6]\.[0-9]', 'emoji')