Make --help work either before or after subcommand

bin/disable-twofactor

@@ -44,7 +44,7 @@ sub main {
     $user->{'twofactor_provider'} = undef;
     $user->{'twofactor_id'} = undef;
     $user->{'twofactor_apikey'} = undef;
-    acl::modify_user($user->{'name'}, $user);
+    acl::modify_user($user->{'name'}, $user); 
     reload_miniserv();
     webmin_log("onefactor", "user", $user->{'name'});
 
@@ -111,12 +111,9 @@ Name of the user to disable two-factor authentication for.
 
 =head1 EXIT CODES
 
-0 on successfully replacing a config variable
+0 on successfully replacing configuration options
 
-1 on successfully adding a new config variable (the specified option did not
-already exist in the file, and was added)
-
->1 on error
+non-0 on error
 
 =head1 LICENSE AND COPYRIGHT
 

bin/set-config

@@ -133,7 +133,7 @@ set-config
 
 =head1 DESCRIPTION
 
-Set a configuration directive in either miniserv.conf (the core Webmin config) or in the specified module config.
+Set a configuration directive in either C<miniserv.conf> (the core Webmin config) or in the specified module C<config>.
 
 =head1 SYNOPSIS
 

bin/webmin

@@ -34,7 +34,6 @@ sub main {
             }
         }
     );
-    pod2usage(0) if ( $opt{'help'} );
 
     $opt{'config'} ||= "/etc/webmin";
 
@@ -43,7 +42,7 @@ sub main {
     if ($opt{'list'}) {
         list_commands(\%opt);
         exit 0;
-    } elsif ($opt{'man'}) {
+    } elsif ($opt{'man'} || $opt{'help'}) {
         # Show the full manual page
         man_command(\%opt, $subcmd);
         exit 0;
@@ -165,6 +164,7 @@ sub list_commands {
     }
 }
 
+# Display either a short usage message (--help) or a full manual (--man)
 sub man_command {
     my ($optref, $subcmd) = @_;
 
@@ -173,9 +173,13 @@ sub man_command {
 
     $ENV{'PAGER'} ||= "more";
     open(my $PAGER, "|-", "$ENV{'PAGER'}");
-    pod2usage( -verbose => 99,
-               -input => $command_path,
-               -output => $PAGER);
+    if ($optref->{'help'}) {
+        pod2usage( -input => $command_path );
+    } else {
+        pod2usage( -verbose => 99,
+                   -input => $command_path,
+                   -output => $PAGER);
+    }
 }
 
 sub root {