updated for version 7.4.053
Problem:    Test75 has a wrong header. (ZyX)
Solution:   Fix the text and remove leading ".
diff --git a/src/testdir/test75.in b/src/testdir/test75.in
index f43970d..4bd8279 100644
--- a/src/testdir/test75.in
+++ b/src/testdir/test75.in
@@ -1,4 +1,4 @@
-" Tests for functions.
+Tests for maparg().
 
 STARTTEST
 :so small.vim