add example wrapper and fix formatting

IkiWiki.pm

@@ -119,7 +119,13 @@ sub getsetup () { #{{{
 	},
 	wrappers => {
 		type => "string",
-		default => undef,
+		example => [
+			{
+				cgi => 1,
+				wrapper => "/var/www/wiki/ikiwiki.cgi",
+				wrappermode => "06755",
+			},
+		],
 		description => "definitions of wrappers to generate",
 		safe => 0,
 		rebuild => 0,

IkiWiki/Setup/Standard.pm

@@ -40,7 +40,17 @@ sub dumpline ($$$$) { #{{{
 	else {
 		$dumpedvalue=Dumper($value);
 		chomp $dumpedvalue;
+		if (length $prefix) {
+			# add to second and subsequent lines
+			my @lines=split(/\n/, $dumpedvalue);
+			$dumpedvalue="";
+			for (my $x=0; $x <= $#lines; $x++) {
+				$lines[$x] =~ s/^\t//;
+				$dumpedvalue.="\t".($x ? $prefix : "").$lines[$x]."\n";
+			}
+		}
 		$dumpedvalue=~s/^\t//;
+		chomp $dumpedvalue;
 	}
 	
 	return "\t$prefix$key => $dumpedvalue,";