Clarify that predefined strings aren't groff-isms, they're troff-isms.

diff --git a/mdoc.7 b/mdoc.7
index 36fe61698bfadbf4023b7fe53c4f9042eed5e5cf..425d30b419da4d6688444ca22bbececdaa8c25b6 100644 (file)
--- a/mdoc.7
+++ b/mdoc.7
@@ -1,4 +1,4 @@
-.\"    $Id: mdoc.7,v 1.144 2010/08/06 17:09:58 schwarze Exp $
+.\"    $Id: mdoc.7,v 1.145 2010/08/07 09:56:12 kristaps Exp $
 .\"
 .\" Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: August 6 2010 $
+.Dd $Mdocdate: August 7 2010 $
 .Dt MDOC 7
 .Os
 .Sh NAME
@@ -149,7 +149,7 @@ recommended for
 which encourages semantic annotation.
 .Ss Predefined Strings
 Historically,
-.Xr groff 1
+troff
 also defined a set of package-specific
 .Dq predefined strings ,
 which, like