### PEAR Moduleの検索リンク
# usage: {{pear_search('pkg_name')}}
sub pear_search {
	my ($word) = @_;
	my $prefix = q(http://pear.php.net/package-search.php);
	return qq(<a href="$prefix?pkg_name=$word" title="PEAR Search - $word">$word</a>);
}