Indicate that xrefs to *roff,tbl,eqn et al are found in ports/textproc/groff.

share/man/man7/environ.7

@@ -197,7 +197,7 @@ The full pathname of the user's login shell.
 .It Ev TERM
 The kind of terminal for which output is to be prepared.
 This information is used by commands, such as
-.Xr nroff 1
+.Xr nroff 1 Pq Pa ports/textproc/groff
 or
 .Xr plot 1
 which may exploit special terminal capabilities.

usr.bin/man/man.1

@@ -169,20 +169,20 @@ and
 environment variables.
 .It Fl p Op Cm eprtv
 Use the list of given preprocessors before running
-.Xr nroff 1
+.Xr nroff 1 Pq Pa ports/textproc/groff
 or
-.Xr troff 1 .
+.Xr troff 1 Pq Pa ports/textproc/groff .
 Valid preprocessors arguments:
 .Pp
 .Bl -tag -width indent -compact
 .It Cm e
-.Xr eqn 1
+.Xr eqn 1 Pq Pa ports/textproc/groff
 .It Cm p
-.Xr pic 1
+.Xr pic 1 Pq Pa ports/textproc/groff
 .It Cm r
-.Xr refer 1
+.Xr refer 1 Pq Pa ports/textproc/groff
 .It Cm t
-.Xr tbl 1
+.Xr tbl 1 Pq Pa ports/textproc/groff
 .It Cm v
 .Xr vgrind 1
 .El
@@ -192,7 +192,7 @@ Overrides the
 environment variable.
 .It Fl t
 Send manual page source through
-.Xr troff 1
+.Xr troff 1 Pq Pa ports/textproc/groff
 allowing transformation of the manual pages to other formats.
 .It Fl w
 Display the location of the manual page instead of the contents of
@@ -324,11 +324,11 @@ If none of these conditions are met, it overrides the
 standard search path.
 .It Ev MANROFFSEQ
 Used to determine the preprocessors for the manual source before running
-.Xr nroff 1
+.Xr nroff 1 Pq Pa ports/textproc/groff
 or
-.Xr troff 1 .
+.Xr troff 1 Pq Pa ports/textproc/groff .
 If unset, defaults to
-.Xr tbl 1 .
+.Xr tbl 1 Pq Pa ports/textproc/groff .
 Corresponds to the
 .Fl p
 option.

usr.bin/soelim/soelim.1

@@ -41,7 +41,7 @@ The
 utility
 reads the specified files or the standard input and performs the textual
 inclusion implied by the
-.Xr nroff 1
+.Xr nroff 1 Pq Pa ports/textproc/groff
 directives of the form:
 .Pp
 .Dl \&.so anotherfile

usr.bin/vgrind/vgrind.1

@@ -53,7 +53,7 @@ The
 .Nm
 utility formats the program sources specified as arguments
 on the command line in a nice style using
-.Xr troff 1 .
+.Xr troff 1 Pq Pa ports/textproc/groff .
 Comments are placed in italics, keywords in bold face,
 and the name of the current function is listed down the margin of each
 page as it is encountered.
@@ -81,12 +81,12 @@ ends processing
 These lines are formatted as described above.
 The output from this
 filter can be passed to
-.Xr troff 1
+.Xr troff 1 Pq Pa ports/textproc/groff
 for output.
 There need be no particular ordering with
-.Xr eqn 1
+.Xr eqn 1 Pq Pa ports/textproc/groff
 or
-.Xr tbl 1 .
+.Xr tbl 1 Pq Pa ports/textproc/groff .
 .Pp
 In regular mode
 .Nm
@@ -159,7 +159,7 @@ specifies a point size to use on output (exactly the same as the argument
 of a .ps)
 .It Fl t
 similar to the same option in
-.Xr troff 1
+.Xr troff 1 Pq Pa ports/textproc/groff
 causing formatted text to go to the standard output
 .It Fl x
 outputs the index file in a ``pretty'' format.

usr.bin/vgrind/vgrindefs.5

@@ -161,7 +161,7 @@ and string
 capabilities which give a regular expression or
 keyword list.
 .Sh SEE ALSO
-.Xr troff 1 ,
+.Xr troff 1 Pq Pa ports/textproc/groff ,
 .Xr vgrind 1
 .Sh HISTORY
 The

usr.sbin/lpr/lpd/lpd.8

@@ -222,7 +222,7 @@ as a filter.
 .It t
 Troff File.
 The file contains
-.Xr troff 1
+.Xr troff 1 Pq Pa ports/textproc/groff
 output (cat phototypesetter commands).
 .It n
 Ditroff File.

usr.sbin/lpr/lpr/lpr.1

@@ -105,7 +105,7 @@ The files are assumed to contain
 .Tn C/A/T
 phototypesetter commands from ancient versions of
 .Ux
-.Xr troff 1 .
+.Xr troff 1 Pq Pa ports/textproc/groff .
 .It Fl v
 The files are assumed to contain a raster image for devices like the
 Benson Varian.
@@ -292,7 +292,7 @@ command appeared in
 .Bx 3 .
 .Sh BUGS
 Fonts for
-.Xr troff 1
+.Xr troff 1 Pq Pa ports/textproc/groff
 and
 .Tn TeX
 reside on the host with the printer.