Document installation of Math::Base36.

README.md

@@ -32,8 +32,7 @@ $ ccc 232-233
 
 ## Dependencies
 
-The script requires the following Perl modules (all included in standard Perl
-distributions):
+The script requires the following Perl modules:
 
 - `LWP::UserAgent` - For HTTP requests
 - `JSON::PP` - For JSON parsing
@@ -42,6 +41,9 @@ distributions):
 - `File::Path` - For creating cache directory structures
 - `Math::Base36` - For calculating the name of the HTML files
 
+The `Math::Base36` module is not a part of standard Perl distribuitions, but can
+be installed with [cpan](https://www.cpan.org/modules/INSTALL.html).
+
 ## Licensing
 
 This project is licensed under the terms & conditions of the Zlib license. See

ccc

@@ -192,19 +192,20 @@ sub extract_section_numbers {
 	my @sections;
 
 	# Find section header numbers with Windows lines
-	while($html =~ /\r\n<[p|P] class=MsoNormal[^>]*>(<i[^>]*>)?(\d{1,4})/g) {
-		push @sections, $2;
+	while($html =~ /\r\n<[pP] class=MsoNormal[^>]*>(<i[^>]*>)?(\d{1,4})\s+/g) {
+		my $section_num = $2;
+		push @sections, $section_num;
 	}
 
 	return @sections;
 }
 
 sub fetch_and_display_section {
-	my ($section_num, $section_info) = @_;
+	my ($section_num, $section_page) = @_;
 
 	my $ua = LWP::UserAgent->new(timeout => 10);
 	my $base_url = 'https://www.vatican.va/archive/ENG0015';
-	my $url = "$base_url/$section_info";
+	my $url = "$base_url/$section_page";
 
 	my $response = $ua->get($url);
 
@@ -214,19 +215,10 @@ sub fetch_and_display_section {
 	}
 
 	my $content = $response->content;
-
-	# Extract the section content
-	my $section_content = extract_section_content($content, $section_num);
-
-	if($section_content) {
-		print $section_content;
-	} else {
-		print STDERR "Error: Could not parse section $section_num\n";
-		exit 1;
-	}
+	print_section($content, $section_num);
 }
 
-sub extract_section_content {
+sub print_section {
 	my ($html, $section_num) = @_;
 
 	# Convert HTML entities
@@ -255,10 +247,11 @@ sub extract_section_content {
 		# Add line breaks for readability
 		$content =~ s/([.!?])\s+(?=[A-Z])/\n\n/g;
 
-		return "\033[1m$section_num\033[0m $content\n";
+		print "\033[1m$section_num\033[0m $content\n";
+	} else {
+		print STDERR "Error: Could not parse section $section_num\n";
+		exit 1;
 	}
-
-	return undef;
 }
 
 sub get_xdg_cache_dir {