mdoc(7) police: join OS version with the corresponding macro.

svn path=/head/; revision=85162

bin/domainname/domainname.1

@@ -60,6 +60,6 @@ convenience.
 The
 .Nm
 command appeared in
-.Fx
-1.1, based on a similar command in
+.Fx 1.1 ,
+based on a similar command in
 .Tn SunOS .

lib/libc/sys/sigreturn.2

@@ -84,8 +84,8 @@ This system call is used by the trampoline code and
 .Xr longjmp 3
 when returning from a signal to the previously executing program.
 .Sh NOTES
-This system call is not available in 4.2
-.Bx
+This system call is not available in
+.Bx 4.2
 hence it should not be used if backward compatibility is needed.
 .Sh RETURN VALUES
 If successful, the system call does not return.

share/man/man5/sysctl.conf.5

@@ -58,8 +58,8 @@ Initial settings for
 .Sh EXAMPLES
 To turn off logging of programs that exit due to fatal signals, as well as
 telling Linux programs that you are running
-.Fx
-3.4-STABLE, you may use
+.Fx 3.4 Ns -STABLE ,
+you may use
 a configuration like
 .Bd -literal -offset indent
 # Configure logging and Linux execution.