For man page references found in ports, indicate the respective port.

bin/ls/ls.1

@@ -678,7 +678,7 @@ The default
 .Dq Li cons25
 console has the proper capabilities,
 but to display the colors in an
-.Xr xterm 1 ,
+.Xr xterm 1 Pq Pa ports/x11/xterm ,
 for example,
 the
 .Ev TERM
@@ -881,7 +881,7 @@ specification.
 .Xr chmod 1 ,
 .Xr getfacl 1 ,
 .Xr sort 1 ,
-.Xr xterm 1 ,
+.Xr xterm 1 Pq Pa ports/x11/xterm ,
 .Xr localeconv 3 ,
 .Xr strftime 3 ,
 .Xr strmode 3 ,

bin/pax/pax.1

@@ -800,7 +800,7 @@ option is also used, the resulting file may contain fewer
 .Ar bytes ,
 according to the compressibility of the archive contents.
 See
-.Xr zip 1
+.Xr zip 1 Pq Pa ports/archivers/zip
 if compressed volumes of predictable size are required.
 .Pp
 .Em Warning :

bin/sh/sh.1

@@ -214,7 +214,7 @@ Do not overwrite existing files with
 .Ql > .
 .It Fl E Li emacs
 Enable the built-in
-.Xr emacs 1
+.Xr emacs 1 Pq Pa ports/editors/emacs
 command line editor (disables the
 .Fl V
 option if it has been set;
@@ -359,8 +359,8 @@ This option only has a long name.
 Set
 .Dv O_VERIFY
 when sourcing files or loading profiles.
-See also
-.Xr mac_veriexec 4 .
+.\" See also
+.\" .Xr mac_veriexec 4 . TODO Does not exist; write it.
 .El
 .Pp
 The
@@ -378,7 +378,7 @@ to be enabled or disabled.
 For example, the following two invocations of
 .Nm
 both enable the built-in
-.Xr emacs 1
+.Xr emacs 1 Pq Pa ports/editors/emacs
 command line editor:
 .Bd -literal -offset indent
 set -E
@@ -2869,7 +2869,7 @@ will return the argument.
 .Xr chsh 1 ,
 .Xr echo 1 ,
 .Xr ed 1 ,
-.Xr emacs 1 ,
+.Xr emacs 1 Pq Pa ports/editors/emacs ,
 .Xr kill 1 ,
 .Xr printf 1 ,
 .Xr pwd 1 ,

share/man/man7/security.7

@@ -390,7 +390,7 @@ access, and get rid of
 .Pq Dq Li "chmod 000"
 any SUID binaries that nobody uses.
 A server with no display generally does not need an
-.Xr xterm 1
+.Xr xterm 1 Pq Pa ports/x11/xterm
 binary.
 SGID binaries can be almost as dangerous.
 If an intruder can break an SGID-kmem binary the

share/termcap/termcap.5

@@ -1993,7 +1993,7 @@ only
 supports these capabilities.
 .Pp
 For the
-.Xr xterm 1
+.Xr xterm 1 Pq Pa ports/x11/xterm
 terminal emulator the traditional behavior in
 .Fx
 when exiting a pager such as
@@ -2116,7 +2116,7 @@ Hash database file containing terminal descriptions (see
 .Xr tset 1 ,
 .Xr ul 1 ,
 .Xr vi 1 ,
-.Xr xterm 1 ,
+.Xr xterm 1 Pq Pa ports/x11/xterm ,
 .Xr ncurses 3 ,
 .Xr printf 3 ,
 .Xr termcap 3 ,

usr.bin/resizewin/resizewin.1

@@ -63,7 +63,7 @@ updates the kernel's window size to match the new size.
 is functionally similar to
 .Xr resize 1 ,
 which is part of the
-.Xr xterm 1
+.Xr xterm 1 Pq Pa ports/x11/xterm
 distribution.
 However,
 .Nm