Grammar fix: `Different than'' should really be `different from''.

lib/libc/rpc/rpc.3

@@ -513,7 +513,7 @@ running as a server quite likely does not), or if the
 programmer
 does not want the message to be output with
 .BR printf ,
-or if a message format different than that supported by
+or if a message format different from that supported by
 .B clnt_perrno(\|)
 is to be used.
 Note: unlike

share/man/man4/termios.4

@@ -94,7 +94,7 @@ same process group.  A set of processes in the same process group
 is collectively referred to as a "job". When the foreground process
 group of the terminal is the same as the process group of a particular
 job, that job is said to be in the "foreground".  When the process
-group of the terminal is different than the process group of
+group of the terminal is different from the process group of
 a job (but is still the controlling terminal), that job is said
 to be in the "background".  Normally the
 shell reads a command and starts the job that implements that

usr.sbin/rwhod/rwhod.8

@@ -121,7 +121,7 @@ than all interfaces.
 must be between 0 and
 32 (or MAX_MULTICAST_SCOPE).  Note that
 .Fl m Ar 1
-is different than
+is different from
 .Fl m ,
 in that
 .Fl m Ar 1

usr.sbin/sa/sa.8

@@ -231,7 +231,7 @@ option now understands more options than it used to.
 .Pp
 The formats of the summary files created by this version of
 .Nm
-are very different than the those used by the original version.
+are very different from the those used by the original version.
 This is not considered a problem, however, because the accounting record
 format has changed as well (since user ids are now 32 bits).
 .Sh AUTHORS