diff --git a/development/autotests/readDefaultOutputFormat.pl b/development/autotests/readDefaultOutputFormat.pl
index 233ae31040..c3c280f606 100644
--- a/development/autotests/readDefaultOutputFormat.pl
+++ b/development/autotests/readDefaultOutputFormat.pl
@@ -3,11 +3,12 @@
 
 #
 use strict;
+use warnings "all";
 
 my $useNonTexFonts = undef;
-my $outputFormat = undef;
-my $texFormat = undef;
-my $language = undef;
+my $outputFormat   = undef;
+my $texFormat      = undef;
+my $language       = undef;
 if (-e "$ARGV[0]") {
   if (open(FI, "$ARGV[0]")) {
     while (my $l = <FI>) {
@@ -35,7 +36,7 @@ if ($language eq "japanese") {
   if ($useNonTexFonts) {
     if ($outputFormat =~ /^(default|pdf4)$/) {
       $outputFormat = "pdf4";
-      $texFormat = "xetex";
+      $texFormat    = "xetex";
     }
     elsif ($outputFormat =~ /^pdf[35]?$/) {
       if ($outputFormat =~ /^pdf3?$/) {
@@ -49,10 +50,10 @@ if ($language eq "japanese") {
       $outputFormat = undef;
     }
   }
-  else { # using tex font
+  else {    # using tex font
     if ($outputFormat =~ /^(default|pdf3)$/) {
       $outputFormat = "pdf3";
-      $texFormat = "platex";
+      $texFormat    = "platex";
     }
     elsif ($outputFormat =~ /^pdf5$/) {
       $texFormat = "luatex";
@@ -62,11 +63,11 @@ if ($language eq "japanese") {
     }
   }
 }
-else { # not a japanese language
+else {    # not a japanese language
   if ($useNonTexFonts) {
     if ($outputFormat =~ /^(default|pdf4)$/) {
       $outputFormat = "pdf4";
-      $texFormat = "xetex";
+      $texFormat    = "xetex";
     }
     elsif ($outputFormat eq "pdf5") {
       $texFormat = "luatex";
@@ -75,10 +76,10 @@ else { # not a japanese language
       $outputFormat = undef;
     }
   }
-  else { # using tex fonts
+  else {    # using tex fonts
     if ($outputFormat =~ /^(default|pdf2)$/) {
       $outputFormat = "pdf2";
-      $texFormat = "pdflatex";
+      $texFormat    = "pdflatex";
     }
     elsif ($outputFormat eq "pdf5") {
       $texFormat = "luatex";