commit https://github.com/vim/vim/commit/8b5f65a527c353b9942e362e719687c3a7592309 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 1 19:26:12 2015 +0200 patch 7.4.849 Problem: Moving the cursor in Insert mode starts new undo sequence. Solution: Add CTRL-G U to keep the undo sequence for the following cursor movement command. (Christian Brabandt)

--- a/src/testdir/test_mapping.ok
+++ b/src/testdir/test_mapping.ok
@@ -10,3 +10,13 @@ vmap works
 +
 +
 +
+
+Test1: text with a (here some more text)
+Test1: text with a (here some more text)
+
+
+Test2: text wit a (here some more text [und undo])
+
+new line here
+Test3: text with a (parenthesis here
+new line here