commit ff2b79d23956263ab0120623c37e0b4498be01db
author zeertzjq <zeertzjq@outlook.com> Mon Feb 26 20:38:36 2024 +0100
committer Christian Brabandt <cb@256bit.org> Mon Feb 26 20:38:36 2024 +0100
tree 9f7360e2130555bea3602a4b59348aee4c651043
parent db7622ea827034124c22da0c235ff5170e44b8bc

patch 9.1.0137: <Del> in cmdline mode doesn't delete composing chars

Problem:  <Del> in cmdline mode doesn't delete composing chars
Solution: Use mb_head_off() and mb_ptr2len() (zeertzjq)

closes: #14095

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_cmdline.vim

diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index c0d01fb..7c86bcd 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -917,6 +917,26 @@
   let &encoding = encoding_save
 endfunc
 
+func Test_cmdline_del_utf8()
+  let @s = '⒌'
+  call feedkeys(":\"\<C-R>s,,\<C-B>\<Right>\<Del>\<CR>", 'tx')
+  call assert_equal('",,', @:)
+
+  let @s = 'a̳'
+  call feedkeys(":\"\<C-R>s,,\<C-B>\<Right>\<Del>\<CR>", 'tx')
+  call assert_equal('",,', @:)
+
+  let @s = 'β̳'
+  call feedkeys(":\"\<C-R>s,,\<C-B>\<Right>\<Del>\<CR>", 'tx')
+  call assert_equal('",,', @:)
+
+  if has('arabic')
+    let @s = 'لا'
+    call feedkeys(":\"\<C-R>s,,\<C-B>\<Right>\<Del>\<CR>", 'tx')
+    call assert_equal('",,', @:)
+  endif
+endfunc
+
 func Test_cmdline_keymap_ctrl_hat()
   CheckFeature keymap