sort options, remove whitespace

doc/fping.pod

@@ -72,7 +72,7 @@ requests have been sent (or when interrupted).
 Similar to B<-c>, but the per-target statistics are displayed in a format
 designed for automated response-time statistics gathering. For example:
 
- % fping -C 5 -q somehost 
+    $ fping -C 5 -q somehost
     somehost : 91.7 37.0 29.2 - 36.8
 
 shows the response time in milliseconds for each of the five requests, with the
@@ -99,7 +99,7 @@ Show elapsed (round-trip) time of packets.
 Read list of targets from a file.  This option can only be used by the root
 user. Regular users should pipe in the file via stdin:
 
- % fping < targets_file 
+    $ fping < targets_file
 
 =item B<-g>, B<--generate> I<addr/mask>
 
@@ -109,21 +109,29 @@ a network with netmask is given, the network and broadcast addresses will be
 excluded. ex. To ping the network 192.168.1.0/24, the specified command line
 could look like either:
 
- fping -g 192.168.1.0/24 
+    $ fping -g 192.168.1.0/24
 
 or
 
- fping -g 192.168.1.1 192.168.1.254 
+    $ fping -g 192.168.1.1 192.168.1.254
 
 =item B<-h>, B<--help>
 
 Print usage message.
 
+=item B<-H>, B<--ttl>=I<N>
+
+Set the IP TTL field (time to live hops).
+
 =item B<-i>, B<--interval>=I<MSEC>
 
 The minimum amount of time (in milliseconds) between sending a ping packet
 to any target (default is 25, minimum is 1).
 
+=item B<-I>, B<--iface>=I<IFACE>
+
+Set the interface (requires SO_BINDTODEVICE support).
+
 =item B<-l>, B<--loop>
 
 Loop sending packets to each target indefinitely. Can be interrupted with
@@ -189,10 +197,6 @@ Print cumulative statistics upon exit.
 
 Set source address.
 
-=item B<-I>, B<--iface>=I<IFACE>
-
-Set the interface (requires SO_BINDTODEVICE support) 
-
 =item B<-t>, B<--timeout>=I<MSEC>
 
 Initial target timeout in milliseconds (default 500). In the default mode, this
@@ -213,10 +217,6 @@ Show targets that are unreachable.
 
 Print B<fping> version information.
 
-=item B<-H>, B<--ttl>=I<N>
-
-Set the IP TTL field (time to live hops). 
-
 =back
 
 =head1 EXAMPLES