===================================================================
RCS file: /cvs/mandoc/regress/tbl/layout/span.in,v
retrieving revision 1.1
retrieving revision 1.3
diff -u -p -r1.1 -r1.3
--- mandoc/regress/tbl/layout/span.in	2017/02/08 03:03:30	1.1
+++ mandoc/regress/tbl/layout/span.in	2017/06/17 14:55:32	1.3
@@ -38,3 +38,17 @@ s:c:d
 a:s:d
 a:b:s
 .TE
+.sp
+.TS
+allbox tab(:);
+L L L L L
+C S S C S
+R R R R R.
+a:b:c:d:e
+s1:s2
+a:b:c:d:e
+.TE
+.sp
+leaked tab settings:
+.br
+a	b	c	d	e	f