docs/man/nut-scanner.txt: change markup for code and output examples [n…

…etworkupstools#2247]

Signed-off-by: Jim Klimov <[email protected]>

docs/man/nut-scanner.txt

@@ -222,55 +222,65 @@ EXAMPLES
 
 To scan USB devices only:
 
-*nut-scanner -U*
-+
+----
+:; nut-scanner -U
+
 [nutdev-usb1]
         driver = "snmp-ups"
         port = "192.168.0.42"
-+
+----
 
 To scan SNMP v1 device with public community on address range 192.168.0.0
 to 192.168.0.255:
 
-*nut-scanner -S -s 192.168.0.0 -e 192.168.0.255*
-+
+----
+:; nut-scanner -S -s 192.168.0.0 -e 192.168.0.255
+
 [nutdev-snmp1]
         driver = "snmp-ups"
         port = "192.168.0.42"
-+
+----
 
 The same using CIDR notation:
 
-*nut-scanner -S -m 192.168.0.0/24*
-+
+----
+:; nut-scanner -S -m 192.168.0.0/24
+
 [nutdev-snmp1]
         driver = "snmp-ups"
         port = "192.168.0.42"
-+
+----
 
 To scan NUT servers with a timeout of 10 seconds on IP range 192.168.0.0
 to 192.168.0.127 using CIDR notation:
 
-*nut-scanner -O -t 10 -m 192.168.0.0/25*
-+
+----
+:; nut-scanner -O -t 10 -m 192.168.0.0/25
+
 [nutdev-nut1]
         driver = "dummy-ups"
         port = "[email protected]"
-+
+----
 
 To scan for power supplies, through IPMI (1.5 mode) over the network,
 on address range 192.168.0.0 to 192.168.0.255 using CIDR notation:
 
-*nut-scanner -I -m 192.168.0.0/24 -b username -B password*
+----
+:; nut-scanner -I -m 192.168.0.0/24 -b username -B password
+----
 
-To scan for Eaton serial devices on ports 0 and 1 (/dev/ttyS0,
-/dev/ttyUSB0, /dev/ttyS1 and /dev/ttyUSB1 on Linux):
+To scan for Eaton serial devices on ports 0 and 1 (`/dev/ttyS0`,
+`/dev/ttyUSB0`, `/dev/ttyS1` and `/dev/ttyUSB1` on Linux):
 
-*nut-scanner --eaton_serial 0-1*
+----
+:; nut-scanner --eaton_serial 0-1
+----
 
-To scan for Eaton serial devices on ports 1 and 2 (COM1 and COM2 on Windows):
+To scan for Eaton serial devices on ports 1 and 2 (`COM1` and `COM2` on Windows):
 
-*nut-scanner --eaton_serial 1-2*
+----
+:; nut-scanner --eaton_serial 1-2
+----
 
 SEE ALSO
 --------