patch 8.2.4551: when mapping <Esc> terminal codes are not recognized
Problem: When mapping <Esc> terminal codes are not recognized.
Solution: Specifically recognize a mapping with just <Esc> and check for
terminal codes even though there is no partial mapping.
(closes #9903)
diff --git a/src/testdir/test_termcodes.vim b/src/testdir/test_termcodes.vim
index a68506c..76028e4 100644
--- a/src/testdir/test_termcodes.vim
+++ b/src/testdir/test_termcodes.vim
@@ -2331,6 +2331,22 @@
set timeoutlen&
endfunc
+func Test_mapping_esc()
+ set timeoutlen=10
+
+ new
+ nnoremap <Up> iHello<Esc>
+ nnoremap <Esc> <Nop>
+
+ call feedkeys(substitute(&t_ku, '\*', '', 'g'), 'Lx!')
+ call assert_equal("Hello", getline(1))
+
+ bwipe!
+ nunmap <Up>
+ nunmap <Esc>
+ set timeoutlen&
+endfunc
+
" Test for translation of special key codes (<xF1>, <xF2>, etc.)
func Test_Keycode_Translation()
let keycodes = [