# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1653397204 -7200
# Node ID 5478246aa14b98016cf7c6ad203d1a69ee1ace6b
# Parent  2903e0cd8463076df3662c1fea89647ebb0bbb6a
patch 8.2.5013: after text formatting cursor may be in an invalid position

Commit: https://github.com/vim/vim/commit/78d52883e10d71f23ab72a3d8b9733b00da8c9ad
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue May 24 13:57:54 2022 +0100

    patch 8.2.5013: after text formatting cursor may be in an invalid position

    Problem:    After text formatting the cursor may be in an invalid position.
    Solution:   Correct the cursor position after formatting.

diff --git a/src/testdir/test_textformat.vim b/src/testdir/test_textformat.vim
--- a/src/testdir/test_textformat.vim
+++ b/src/testdir/test_textformat.vim
@@ -1291,4 +1291,16 @@ func Test_fo_2()
   close!
 endfunc
 
+" This was leaving the cursor after the end of a line.  Complicated way to
+" have the problem show up with valgrind.
+func Test_correct_cursor_position()
+  set encoding=iso8859
+  new
+  norm a000“0
+  sil! norm gggg0i0gw0gg
+
+  bwipe!
+  set encoding=utf8
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/textformat.c b/src/textformat.c
--- a/src/textformat.c
+++ b/src/textformat.c
@@ -870,6 +870,9 @@ op_format(
     {
 	curwin->w_cursor = saved_cursor;
 	saved_cursor.lnum = 0;
+
+	// formatting may have made the cursor position invalid
+	check_cursor();
     }
 
     if (oap->is_VIsual)
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5013,
+/**/
     5012,
 /**/
     5011,