patch 8.2.4858: K_SPECIAL may be escaped twice
Problem: K_SPECIAL may be escaped twice.
Solution: Avoid double escaping. (closes #10340)
diff --git a/src/testdir/test_mapping.vim b/src/testdir/test_mapping.vim
index b413f4f..7f768cf 100644
--- a/src/testdir/test_mapping.vim
+++ b/src/testdir/test_mapping.vim
@@ -1643,4 +1643,19 @@
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