{
:elements => %w[
a b blockquote br caption cite code dd del dl dt em h1 h2 h3 h4 h5 h6 i img li ol p pre small span strike strong sub sup table tbody td th thead tr u ul
],
:attributes => {
:all => ['dir', 'lang', 'title', 'class'],
'a' => ['href'],
'blockquote' => ['cite'],
'img' => ['align', 'alt', 'height', 'src', 'width'],
'ol' => ['start', 'reversed', 'type'],
'ul' => ['type'],
'th' => ['colspan', 'rowspan'],
'td' => ['colspan', 'rowspan']
},
:protocols => {
'a' => {'href' => ['ftp', 'http', 'https', 'mailto', :relative]},
'blockquote' => {'cite' => ['http', 'https', :relative]},
'del' => {'cite' => ['http', 'https', :relative]},
'img' => {'src' => ['http', 'https', :relative]},
}
}