From 9093fbdd026f088d923fea374a96a8b01ca0df3a Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sun, 14 Jul 2024 06:38:26 +0800
Subject: vim-patch:9.1.0573: ex: no implicit print for single addresses

Problem:  ex: no implicit print for single addresses
Solution: explicitly print even during single addresses,
          as requested by POSIX (Mohamed Akram)

See the POSIX behaviour here:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ex.html#tag_20_40_13_03
Section 6b

closes: vim/vim#15230

https://github.com/vim/vim/commit/c25a7084e9ae1f78c28ddcbe1fa23374cfdf1e03

Co-authored-by: Mohamed Akram <mohd.akram@outlook.com>
---
 test/old/testdir/setup.vim        | 19 +++++++++++++++++--
 test/old/testdir/test_ex_mode.vim | 11 +++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

(limited to 'test')

diff --git a/test/old/testdir/setup.vim b/test/old/testdir/setup.vim
index 2e4085ce03..6f400c5e32 100644
--- a/test/old/testdir/setup.vim
+++ b/test/old/testdir/setup.vim
@@ -32,8 +32,8 @@ if exists('s:did_load')
   endif
   if g:testname !~ 'test_mapping.vim$'
     " Make "Q" switch to Ex mode.
-    " This does not work for all tests.
-    nnoremap Q gQ
+    " This does not work for all tests as Nvim only supports Vim Ex mode.
+    nnoremap Q gQ<Cmd>call<SID>ExStart()<CR>
   endif
 endif
 
@@ -45,6 +45,21 @@ if exists('s:did_load')
 endif
 let s:did_load = 1
 
+func s:ExStart()
+  call feedkeys($"\<Cmd>call{expand('<SID>')}ExMayEnd()\<CR>")
+endfunc
+
+func s:ExMayEnd()
+  " When :normal runs out of characters in Vim, the behavior is different in
+  " normal Ex mode vs. Vim Ex mode.
+  " - In normal Ex mode, "\n" is used.
+  " - In Vim Ex mode, Ctrl-C is used.
+  " Nvim only supports Vim Ex mode, so emulate the normal Ex mode behavior.
+  if state('m') == '' && mode(1) == 'cv' && getcharstr(1) == "\<C-C>"
+    call feedkeys("\n")
+  endif
+endfunc
+
 " Clear Nvim default user commands, mappings and menus.
 comclear
 mapclear
diff --git a/test/old/testdir/test_ex_mode.vim b/test/old/testdir/test_ex_mode.vim
index 42f08868a0..31615ec47d 100644
--- a/test/old/testdir/test_ex_mode.vim
+++ b/test/old/testdir/test_ex_mode.vim
@@ -282,4 +282,15 @@ func Test_ex_mode_large_indent()
 endfunc
 
 
+" Testing implicit print command
+func Test_implicit_print()
+  new
+  call setline(1, ['one', 'two', 'three'])
+  call feedkeys('Q:let a=execute(":1,2")', 'xt')
+  call feedkeys('Q:let b=execute(":3")', 'xt')
+  call assert_equal('one two', a->split('\n')->join(' '))
+  call assert_equal('three', b->split('\n')->join(' '))
+  bw!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
-- 
cgit