From 27149e0071c3fa38c81526f63a997bedfd6e2be8 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 3 May 2022 06:11:22 +0800
Subject: vim-patch:8.2.4858: K_SPECIAL may be escaped twice

Problem:    K_SPECIAL may be escaped twice.
Solution:   Avoid double escaping. (closes vim/vim#10340)
https://github.com/vim/vim/commit/db08887f24d20be11d184ce321bc0890613e42bd
---
 src/nvim/testdir/test_mapping.vim | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/nvim/testdir/test_mapping.vim')

diff --git a/src/nvim/testdir/test_mapping.vim b/src/nvim/testdir/test_mapping.vim
index 1da3b71a32..752b1700d0 100644
--- a/src/nvim/testdir/test_mapping.vim
+++ b/src/nvim/testdir/test_mapping.vim
@@ -1025,4 +1025,19 @@ func Test_unmap_simplifiable()
   unmap <C-I>
 endfunc
 
+func Test_expr_map_escape_special()
+  nnoremap … <Cmd>let g:got_ellipsis += 1<CR>
+  func Func()
+    return '…'
+  endfunc
+  nmap <expr> <F2> Func()
+  let g:got_ellipsis = 0
+  call feedkeys("\<F2>", 'xt')
+  call assert_equal(1, g:got_ellipsis)
+  delfunc Func
+  nunmap <F2>
+  unlet g:got_ellipsis
+  nunmap …
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
-- 
cgit