===================================================================
RCS file: /cvs/mandoc/Attic/whatis.1,v
retrieving revision 1.4
retrieving revision 1.7
diff -u -p -r1.4 -r1.7
--- mandoc/Attic/whatis.1	2011/12/12 02:00:49	1.4
+++ mandoc/Attic/whatis.1	2011/12/25 19:35:44	1.7
@@ -1,4 +1,4 @@
-.\"	$Id: whatis.1,v 1.4 2011/12/12 02:00:49 schwarze Exp $
+.\"	$Id: whatis.1,v 1.7 2011/12/25 19:35:44 kristaps Exp $
 .\"
 .\" Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: December 12 2011 $
+.Dd $Mdocdate: December 25 2011 $
 .Dt WHATIS 1
 .Os
 .Sh NAME
@@ -41,6 +41,13 @@ You can then use the
 .Xr man 1
 command to get more information.
 .Pp
+By default,
+.Nm
+searches for
+.Xr mandocdb 8
+databases in the default paths stipulated by
+.Xr man 1 .
+.Pp
 The options are as follows:
 .Bl -tag -width Ds
 .It Fl C Ar file
@@ -72,12 +79,6 @@ See
 for a listing of manual sections.
 .El
 .Pp
-By default,
-.Nm
-searches for
-.Xr mandocdb 8
-databases in the default paths stipulated by
-.Xr man 1 .
 Results are sorted by manual title, with output formatted as
 .Pp
 .D1 title(sec) \- description
@@ -111,19 +112,30 @@ as follows:
 .Sh ENVIRONMENT
 .Bl -tag -width Ds
 .It Ev MANPATH
-Colon-separated paths overriding the default list of paths searched for
+Colon-separated paths modifying the default list of paths searched for
 manual databases.
 Invalid paths, or paths without manual databases, are ignored.
 Overridden by
 .Fl M .
+If
+.Ev MANPATH
+begins with a
+.Sq \&: ,
+it is appended to the default list;
+else if it ends with
+.Sq \&: ,
+it is prepended to the default list; else if it contains
+.Sq \&:: ,
+the default list is inserted between the colons.
+If none of these conditions are met, it overrides the default list.
 .El
 .Sh FILES
 .Bl -tag -width "/etc/man.conf" -compact
-.It Pa mandoc.db
+.It Pa whatis.db
 name of the
 .Xr mandocdb 8
 keyword database
-.It Pa mandoc.index
+.It Pa whatis.index
 name of the
 .Xr mandocdb 8
 filename database