patch 7.4.813
Problem:    It is not possible to save and restore character search state.
Solution:   Add getcharsearch() and setcharsearch().  (James McCoy)
diff --git a/src/testdir/test_charsearch.ok b/src/testdir/test_charsearch.ok
new file mode 100644
index 0000000..a0c90e2
--- /dev/null
+++ b/src/testdir/test_charsearch.ok
@@ -0,0 +1,3 @@
+XabcdeXfghijkeXmnopqreXtuvwxyz
+YabcdeYfghiYjkeYmnopqreYtuvwxyz
+ZabcdeZfghijkZemnokZqretkZvwxyz