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Merge pull request #24160 from neovim/backport-24158-to-release-0.9

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[Backport release-0.9] fix(charset): fix wrong display of 0xffff
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zeertzjq 2023-06-26 12:37:01 +08:00 committed by GitHub
commit 213a5204ee
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2 changed files with 17 additions and 3 deletions
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4
src/nvim/charset.c
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@ -645,8 +645,8 @@ size_t transchar_hex(char *const buf, const int c)
size_t i = 0;
buf[i++] = '<';
if (c > 255) {
if (c > 255 * 256) {
if (c > 0xFF) {
if (c > 0xFFFF) {
buf[i++] = (char)nr2hex((unsigned)c >> 20);
buf[i++] = (char)nr2hex((unsigned)c >> 16);
}

16
test/functional/ui/multibyte_spec.lua
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@ -17,10 +17,11 @@ describe("multibyte rendering", function()
screen = Screen.new(60, 6)
screen:attach({rgb=true})
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
[1] = {bold = true, foreground = Screen.colors.Blue},
[2] = {background = Screen.colors.WebGray},
[3] = {background = Screen.colors.LightMagenta},
[4] = {bold = true},
[5] = {foreground = Screen.colors.Blue},
})
end)
@ -119,6 +120,19 @@ describe("multibyte rendering", function()
]])
end)
it('0xffff is shown as 4 hex digits', function()
command([[call setline(1, "\uFFFF!!!")]])
feed('$')
screen:expect{grid=[[
{5:<ffff>}!!^! |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
end)
it('works with a lot of unicode (zalgo) text', function()
screen:try_resize(65, 10)
meths.buf_set_lines(0,0,-1,true, split(dedent [[