diff --git a/Changes b/Changes
index 0d5df54..e5271bc 100644
--- a/Changes
+++ b/Changes
@@ -3,6 +3,7 @@ Revision history for CGI-Info
 0.81
 	Use Test::Needs
 	Added t/version.t
+	Added t/tabs.t
 
 0.80	Fri Jan 19 08:05:29 EST 2024
 	Added documentroot() as a synonym to rootdir()
diff --git a/MANIFEST b/MANIFEST
index 8e2dc78..7e352eb 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -61,6 +61,7 @@ t/script.t
 t/site.t
 t/status.t
 t/strict.t
+t/tabs.t
 t/taint.t
 t/tmpdir.t
 t/untaint.t
diff --git a/Makefile.PL b/Makefile.PL
index bdb7607..efc014a 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -14,10 +14,9 @@ WriteMakefile(
 	AUTHOR		=> q{Nigel Horne <njh@bandsman.co.uk>},
 	VERSION_FROM	=> 'lib/CGI/Info.pm',
 	ABSTRACT_FROM	=> 'lib/CGI/Info.pm',
-	((defined($ExtUtils::MakeMaker::VERSION) &&
-	 ($ExtUtils::MakeMaker::VERSION >= 6.3002))
-	  ? ('LICENSE'=> 'GPL')
-	  : ()),
+	((defined($ExtUtils::MakeMaker::VERSION) && ($ExtUtils::MakeMaker::VERSION >= 6.3002))
+		? ('LICENSE'=> 'GPL')
+		: ()),
 	'LIBS' => [''],	# e.g., '-lm'
 	'DEFINE' => '',	# e.g., '-DHAVE_SOMETHING'
 	'INC' => '',	# e.g., '-I/usr/include/other'
diff --git a/bin/info.pl b/bin/info.pl
index 9da1e32..914fa08 100755
--- a/bin/info.pl
+++ b/bin/info.pl
@@ -44,7 +44,7 @@
 		"Cookies:\n";
 
 	foreach my $cookie(split (/; /, $ENV{'HTTP_COOKIE'})) {
-	        my ($key, $value) = split(/=/, $cookie);
+		my ($key, $value) = split(/=/, $cookie);
 
 		print "Cookie $key:\n";
 		my $c = $info->get_cookie(cookie_name => $key);
diff --git a/lib/CGI/Info.pm b/lib/CGI/Info.pm
index 73f5981..2753c61 100644
--- a/lib/CGI/Info.pm
+++ b/lib/CGI/Info.pm
@@ -155,8 +155,7 @@ sub _find_paths {
 		}
 		$self->{script_path} = File::Spec->catfile($ENV{'DOCUMENT_ROOT' }, $script_name);
 	} elsif($ENV{'SCRIPT_NAME'} && !$ENV{'DOCUMENT_ROOT'}) {
-		if(File::Spec->file_name_is_absolute($ENV{'SCRIPT_NAME'}) &&
-		   (-r $ENV{'SCRIPT_NAME'})) {
+		if(File::Spec->file_name_is_absolute($ENV{'SCRIPT_NAME'}) && (-r $ENV{'SCRIPT_NAME'})) {
 			# Called from a command line with a full path
 			$self->{script_path} = $ENV{'SCRIPT_NAME'};
 		} else {
@@ -1370,7 +1369,7 @@ Is the visitor a real person or a robot?
 
 	my $info = CGI::Info->new();
 	unless($info->is_robot()) {
-	 # update site visitor statistics
+		# update site visitor statistics
 	}
 
 =cut
diff --git a/t/is_mobile.t b/t/is_mobile.t
index a95aa0f..653fb06 100644
--- a/t/is_mobile.t
+++ b/t/is_mobile.t
@@ -10,7 +10,7 @@ BEGIN {
 }
 
 MOBILE: {
-        delete $ENV{'HTTP_X_WAP_PROFILE'};
+	delete $ENV{'HTTP_X_WAP_PROFILE'};
 	delete $ENV{'HTTP_USER_AGENT'};
 
 	my $i = new_ok('CGI::Info');
@@ -22,7 +22,7 @@ MOBILE: {
 	ok($i->is_mobile() == 1);
 	ok($i->browser_type eq 'mobile');
 
-        delete $ENV{'HTTP_X_WAP_PROFILE'};
+	delete $ENV{'HTTP_X_WAP_PROFILE'};
 	$ENV{'HTTP_SEC_CH_UA_MOBILE'} = '?0';
 	$i = new_ok('CGI::Info');
 	cmp_ok($i->is_mobile(), '==', 0, 'CH_UA_MOBILE = 0 => !mobile');
diff --git a/t/is_tablet.t b/t/is_tablet.t
index 715aa5a..3a183bd 100644
--- a/t/is_tablet.t
+++ b/t/is_tablet.t
@@ -10,7 +10,7 @@ BEGIN {
 }
 
 PATHS: {
-        delete $ENV{'HTTP_X_WAP_PROFILE'};
+	delete $ENV{'HTTP_X_WAP_PROFILE'};
 	delete $ENV{'HTTP_USER_AGENT'};
 
 	my $i = new_ok('CGI::Info');
@@ -20,7 +20,7 @@ PATHS: {
 	$i = new_ok('CGI::Info');
 	ok($i->is_tablet() == 0);
 
-        delete $ENV{'HTTP_X_WAP_PROFILE'};
+	delete $ENV{'HTTP_X_WAP_PROFILE'};
 	$ENV{'HTTP_USER_AGENT'} = 'Mozilla/5.0 (iPhone; U)';
 	$i = new_ok('CGI::Info');
 	ok($i->is_tablet() == 0);
diff --git a/t/pod-coverage.t b/t/pod-coverage.t
index cb80b52..c541ab6 100644
--- a/t/pod-coverage.t
+++ b/t/pod-coverage.t
@@ -7,14 +7,14 @@ if($ENV{'AUTHOR_TESTING'}) {
 	my $min_tpc = 1.08;
 	eval "use Test::Pod::Coverage $min_tpc";
 	plan(skip_all => "Test::Pod::Coverage $min_tpc required for testing POD coverage")
-	    if $@;
+		if $@;
 
 	# Test::Pod::Coverage doesn't require a minimum Pod::Coverage version,
 	# but older versions don't recognize some common documentation styles
 	my $min_pc = 0.18;
 	eval "use Pod::Coverage $min_pc";
 	plan(skip_all => "Pod::Coverage $min_pc required for testing POD coverage")
-	    if $@;
+		if $@;
 
 	all_pod_coverage_ok();
 } else {
diff --git a/t/pod-snippets.t b/t/pod-snippets.t
index 525e1a7..c845e1e 100644
--- a/t/pod-snippets.t
+++ b/t/pod-snippets.t
@@ -3,19 +3,14 @@
 use strict;
 use warnings;
 use Test::Most;
+use Test::Needs 'Test::Pod::Snippets';
 
-if($ENV{AUTHOR_TESTING}) {
-	eval 'use Test::Pod::Snippets';
+if($ENV{'AUTHOR_TESTING'}) {
+	my @modules = qw/ CGI::Info /;
+	Test::Pod::Snippets->import();
+	Test::Pod::Snippets->new()->runtest(module => $_, testgroup => 1) for @modules;
 
-	if($@) {
-		plan(skip_all => 'Test::Pod::Snippets required for testing POD code snippets');
-	} else {
-		my @modules = qw/ CGI::Info /;
-
-		Test::Pod::Snippets->new()->runtest(module => $_, testgroup => 1) for @modules;
-
-		done_testing();
-	}
+	done_testing();
 } else {
 	plan(skip_all => 'Author tests not required for installation');
 }
diff --git a/t/protocol.t b/t/protocol.t
index c22ec9a..332201e 100644
--- a/t/protocol.t
+++ b/t/protocol.t
@@ -32,7 +32,7 @@ PROTOCOL: {
 	ok($i->protocol() eq 'https');
 
 	$ENV{'SERVER_PORT'} = 443;
-        delete $ENV{'SCRIPT_URI'};
+	delete $ENV{'SCRIPT_URI'};
 	$i = new_ok('CGI::Info');
 	ok($i->protocol() eq 'https');
 	ok(CGI::Info->protocol() eq 'https');
diff --git a/t/script.t b/t/script.t
index 3afb343..d1fe847 100644
--- a/t/script.t
+++ b/t/script.t
@@ -13,9 +13,9 @@ BEGIN {
 }
 
 PATHS: {
-        delete $ENV{'SCRIPT_NAME'};
+	delete $ENV{'SCRIPT_NAME'};
 	delete $ENV{'DOCUMENT_ROOT'};
-        delete $ENV{'SCRIPT_FILENAME'};
+	delete $ENV{'SCRIPT_FILENAME'};
 
 	my $i = new_ok('CGI::Info');
 	ok(File::Spec->file_name_is_absolute($i->script_path()));
@@ -74,7 +74,7 @@ PATHS: {
 
 	$ENV{'DOCUMENT_ROOT'} = '/path/to';
 	$ENV{'SCRIPT_NAME'} = '/cgi-bin/bar.pl';
-        delete $ENV{'SCRIPT_FILENAME'};
+	delete $ENV{'SCRIPT_FILENAME'};
 
 	$i = new_ok('CGI::Info');
 	ok($i->script_name() eq 'bar.pl');
@@ -87,9 +87,9 @@ PATHS: {
 		ok($i->script_path() eq '/path/to/cgi-bin/bar.pl');
 	}
 
-        delete $ENV{'DOCUMENT_ROOT'};
+	delete $ENV{'DOCUMENT_ROOT'};
 	$ENV{'SCRIPT_NAME'} = '/cgi-bin/bar.pl';
-        delete $ENV{'SCRIPT_FILENAME'};
+	delete $ENV{'SCRIPT_FILENAME'};
 
 	$i = new_ok('CGI::Info');
 	ok($i->script_name() eq 'bar.pl');
diff --git a/t/site.t b/t/site.t
index abc9eda..a99355a 100644
--- a/t/site.t
+++ b/t/site.t
@@ -13,8 +13,8 @@ BEGIN {
 }
 
 HOSTNAMES: {
-        delete $ENV{'HTTP_HOST'};
-        delete $ENV{'SERVER_NAME'};
+	delete $ENV{'HTTP_HOST'};
+	delete $ENV{'SERVER_NAME'};
 	$ENV{'SERVER_PORT'} = 80;
 
 	my $i = new_ok('CGI::Info' => [ logger => MyLogger->new() ]);
@@ -53,7 +53,7 @@ HOSTNAMES: {
 	# Check rereading returns the same value
 	ok($i->domain_name() eq 'example.com');
 
-        delete $ENV{'HTTP_HOST'};
+	delete $ENV{'HTTP_HOST'};
 	delete $ENV{'SCRIPT_URI'};
 	$ENV{'SERVER_NAME'} = 'www.bandsman.co.uk';
 
diff --git a/t/tabs.t b/t/tabs.t
new file mode 100644
index 0000000..3310ba3
--- /dev/null
+++ b/t/tabs.t
@@ -0,0 +1,16 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use Test::Needs 'Test::Tabs';
+use Test::Most;
+
+BEGIN {
+	if($ENV{'AUTHOR_TESTING'}) {
+		Test::Tabs->import();
+		all_perl_files_ok();
+		done_testing();
+	} else {
+		plan(skip_all => 'Author tests not required for installation');
+	}
+}