From c0f12961b11ab4f8ec839c911dd5d4dff03a7092 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 12 Aug 2012 09:51:18 -0400
Subject: Implement "sectlink" macro.

---
diff --git a/scripts/MarkdownBook/Book.pm b/scripts/MarkdownBook/Book.pm
index 09225df..a3d9eeb 100644
--- a/scripts/MarkdownBook/Book.pm
+++ b/scripts/MarkdownBook/Book.pm
@@ -189,10 +189,14 @@ sub subst_macros
 sub _do_subst_macro
 {
 	my ($self, $macro, @args) = @_;
+	my $sec;
 
 	if ($macro eq 'toc') {
 		return $self->_do_gen_toc();
 	} elsif ($macro eq 'sectlink') {
+		die('Invalid arguments to "sectlink" macro') if @args != 1;
+		$sec = $self->{'sections_by_id'}->{$args[0]};
+		return '[§ ' . $sec->number() . '][' . $sec->id() . ']';
 	} else {
 		die("Unrecognized macro \"$macro\"");
 	}
--
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