Move LPCLASS processing out of generic 
in case people use -p to bypass it.


Reference: /n/sources/patch/applied/lp-pietro
Date: Wed Apr 30 20:26:02 CES 2008
Signed-off-by: rsc@swtch.com

--- /rc/bin/lp	Wed Apr 30 20:25:49 2008
+++ /rc/bin/lp	Wed Apr 30 20:25:49 2008
@@ -157,6 +157,12 @@
 KILL=$LPDLINE(10)
 DAEMON=$LPDLINE(11)
 SCHED=$LPDLINE(12)
+
+if (~ $LPCLASS *nohead*)
+	NOHEAD=1
+if (~ $LPCLASS *duplex*)
+	DUPLEX=1
+
 if (~ $#SCHED 0) SCHED=FIFO	# everyone uses FIFO
 if (~ $KILLFLAG 1)
 	switch ($KILL) {
--- /sys/src/cmd/lp/lp.rc	Wed Apr 30 20:25:49 2008
+++ /sys/src/cmd/lp/lp.rc	Wed Apr 30 20:25:49 2008
@@ -157,6 +157,12 @@
 KILL=$LPDLINE(10)
 DAEMON=$LPDLINE(11)
 SCHED=$LPDLINE(12)
+
+if (~ $LPCLASS *nohead*)
+	NOHEAD=1
+if (~ $LPCLASS *duplex*)
+	DUPLEX=1
+
 if (~ $#SCHED 0) SCHED=FIFO	# everyone uses FIFO
 if (~ $KILLFLAG 1)
 	switch ($KILL) {
--- /sys/lib/lp/process/generic	Wed Apr 30 20:25:50 2008
+++ /sys/lib/lp/process/generic	Wed Apr 30 20:25:49 2008
@@ -9,10 +9,6 @@
 
 if (! ~ $DEBUG '')
 	flag x +
-if (~ $LPCLASS *nohead*)
-	NOHEAD=1
-if (~ $LPCLASS *duplex*)
-	DUPLEX=1
 cat >$temp
 
 type=`{file $temp}