Improve test for joining lines. (Milan Vancura)
diff --git a/src/testdir/test29.ok b/src/testdir/test29.ok
index 076f77c..97abf08 100644
--- a/src/testdir/test29.ok
+++ b/src/testdir/test29.ok
@@ -12,6 +12,9 @@
 asdfasdf	 asdf
 asdfasdf 	asdf
 asdfasdf		asdf
+zx cvn. as dfg? hjkl iop! ert ernop
+zx cvn. as dfg? hjkl iop! ert ernop
+
 asdfasdf.  asdf
 asdfasdf.  asdf
 asdfasdf.  asdf
@@ -26,3 +29,21 @@
 asdfasdf	 asdf
 asdfasdf 	asdf
 asdfasdf		asdf
+zx cvn.  as dfg?  hjkl iop!  ert  enop
+zx cvn.  as dfg? hjkl iop! ert ernop
+
+asdfasdf.  asdf
+asdfasdf.  asdf
+asdfasdf.  asdf
+asdfasdf.	asdf
+asdfasdf. 	asdf
+asdfasdf.	 asdf
+asdfasdf.		asdf
+asdfasdf asdf
+asdfasdf asdf
+asdfasdf  asdf
+asdfasdf	asdf
+asdfasdf	 asdf
+asdfasdf 	asdf
+asdfasdf		asdf
+zx cvn.  as dfg? hjkl iop! ert  a