From 2f69e47db3f927d8a5d55a5f86758cad4c0095da Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 12 Aug 2012 07:21:10 -0400
Subject: Add generic new().  Make properties read-only.

---
diff --git a/scripts/MarkdownBook/Section.pm b/scripts/MarkdownBook/Section.pm
index 7eb441c..c19a0d0 100644
--- a/scripts/MarkdownBook/Section.pm
+++ b/scripts/MarkdownBook/Section.pm
@@ -18,34 +18,42 @@ use warnings;
 
 package MarkdownBook::Section;
 
+sub new
+{
+	my ($class, $doc, $num, $id, $title) = @_;
+	my $self;
+
+	$class = ref($class) || $class;
+	$self = {};
+	bless($self, $class);
+
+	$self->{'document'} = $doc;
+	$self->{'number'} = $num;
+	$self->{'id'} = $id;
+	$self->{'title'} = $title;
+
+	return $self;
+}
+
 sub number
 {
 	my ($self, $number) = @_;
-	my $old = $self->{'number'};
-
-	$self->{'number'} = $number if defined($number);
 
-	return $old;
+	return $self->{'number'};
 }
 
 sub id
 {
 	my ($self, $id) = @_;
-	my $old = $self->{'id'};
 
-	$self->{'id'} = $id if defined($id);
-
-	return $old;
+	return $self->{'id'};
 }
 
 sub title
 {
 	my ($self, $title) = @_;
-	my $old = $self->{'title'};
-
-	$self->{'title'} = $title if defined($title);
 
-	return $old;
+	return $self->{'title'};
 }
 
 1;
--
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