===================================================================
RCS file: /cvs/mandoc/mdoc.7,v
retrieving revision 1.114
retrieving revision 1.115
diff -u -p -r1.114 -r1.115
--- mandoc/mdoc.7	2010/06/03 14:29:52	1.114
+++ mandoc/mdoc.7	2010/06/03 14:52:32	1.115
@@ -1,4 +1,4 @@
-.\"	$Id: mdoc.7,v 1.114 2010/06/03 14:29:52 kristaps Exp $
+.\"	$Id: mdoc.7,v 1.115 2010/06/03 14:52:32 kristaps Exp $
 .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -1988,6 +1988,11 @@ Heirloom troff, the other significant troff implementa
 \-mdoc, is similar to historic groff.
 .Pp
 .Bl -dash -compact
+.It
+groff does not accept the
+.Sq \&Ta
+pseudo-macro as a line macro.
+mandoc does.
 .It
 The comment syntax
 .Sq \e."