From 73392909006de74e628323cde915b107244a247b Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <jan.lazo@mail.utoronto.ca>
Date: Tue, 11 May 2021 21:10:14 -0400
Subject: vim-patch:8.2.1000: get error when leaving Ex mode with :visual

Problem:    Get error when leaving Ex mode with :visual and a CmdLineEnter
            autocommand was used.
Solution:   Reset ex_pressedreturn. (closes vim/vim#6293)
https://github.com/vim/vim/commit/158ea175a99fc23eae1b0a5ee9a81cdd973854a6
---
 src/nvim/ex_docmd.c               |  1 +
 src/nvim/testdir/test_ex_mode.vim | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index 555029c1fb..87e482620c 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -7305,6 +7305,7 @@ do_exedit(
   if (exmode_active && (eap->cmdidx == CMD_visual
                         || eap->cmdidx == CMD_view)) {
     exmode_active = FALSE;
+    ex_pressedreturn = false;
     if (*eap->arg == NUL) {
       /* Special case:  ":global/pat/visual\NLvi-commands" */
       if (global_busy) {
diff --git a/src/nvim/testdir/test_ex_mode.vim b/src/nvim/testdir/test_ex_mode.vim
index 87c23a2fe8..f70cb261e0 100644
--- a/src/nvim/testdir/test_ex_mode.vim
+++ b/src/nvim/testdir/test_ex_mode.vim
@@ -54,3 +54,29 @@ func Test_ex_mode()
   set sw&
   let &encoding = encoding_save
 endfunc
+
+func Test_ex_mode_errors()
+  " Not allowed to enter ex mode when text is locked
+  au InsertCharPre <buffer> normal! gQ<CR>
+  let caught_e523 = 0
+  try
+    call feedkeys("ix\<esc>", 'xt')
+  catch /^Vim\%((\a\+)\)\=:E523/ " catch E523
+    let caught_e523 = 1
+  endtry
+  call assert_equal(1, caught_e523)
+  au! InsertCharPre
+
+  new
+  au CmdLineEnter * call ExEnterFunc()
+  func ExEnterFunc()
+
+  endfunc
+  call feedkeys("gQvi\r", 'xt')
+
+  au! CmdLineEnter
+  delfunc ExEnterFunc
+  quit
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab
-- 
cgit