$wiki->add_paragraph_plugin("caption" ,"plugin::book::Caption" ,"HTML");
$wiki->add_paragraph_plugin("toc" ,"plugin::book::Toc" ,"HTML");
$wiki->add_inline_plugin("link" ,"plugin::book::Link" ,"HTML");
$wiki->add_paragraph_plugin("caption" ,"plugin::book::Caption" ,"HTML");
$wiki->add_paragraph_plugin("toc" ,"plugin::book::Toc" ,"HTML");
$wiki->add_inline_plugin("link" ,"plugin::book::Link" ,"HTML");