# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1621367103 -7200
# Node ID ce7a80bd0fd53ba97b25c2d44b8c820151c41893
# Parent  e7e7b4f11187ae2baf0a8a4d66a94ff1465770da
patch 8.2.2870: CmdlineChange event triggered twice for CTRL-R

Commit: https://github.com/vim/vim/commit/796139ae3ac89e27ee96dce3c7fdb87d8c839f53
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue May 18 21:38:45 2021 +0200

    patch 8.2.2870: CmdlineChange event triggered twice for CTRL-R

    Problem:    CmdlineChange event triggered twice for CTRL-R.
    Solution:   Return CMDLINE_NOT_CHANGED from cmdline_insert_reg().
                (closes #8219)

diff --git a/src/ex_getln.c b/src/ex_getln.c
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -1253,8 +1253,11 @@ cmdline_insert_reg(int *gotesc UNUSED)
 	}
 #endif
     }
+    // remove the double quote
     redrawcmd();
-    return CMDLINE_CHANGED;
+
+    // The text has been stuffed, the command line didn't change yet.
+    return CMDLINE_NOT_CHANGED;
 }
 
 /*
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -1810,6 +1810,12 @@ func Test_cmd_map_cmdlineChanged()
   call feedkeys(":\<F1>\<CR>", 'xt')
   call assert_equal(['l', 'ls'], g:log)
 
+  let @b = 'b'
+  cnoremap <F1> a<C-R>b
+  let g:log = []
+  call feedkeys(":\<F1>\<CR>", 'xt')
+  call assert_equal(['a', 'ab'], g:log)
+
   unlet g:log
   cunmap <F1>
   augroup test
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2870,
+/**/
     2869,
 /**/
     2868,