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# FIXME: this should all be confirmed against what a DTD says # (probably in a test; this may not match the DTD exactly, but we # should document just how it differs). """ Data taken from https://www.w3.org/TR/html401/index/elements.html and https://www.w3.org/community/webed/wiki/HTML/New_HTML5_Elements for html5_tags. """ empty_tags = frozenset([ 'area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param', 'source', 'track']) deprecated_tags = frozenset([ 'applet', 'basefont', 'center', 'dir', 'font', 'isindex', 'menu', 's', 'strike', 'u']) # archive actually takes a space-separated list of URIs link_attrs = frozenset([ 'action', 'archive', 'background', 'cite', 'classid', 'codebase', 'data', 'href', 'longdesc', 'profile', 'src', 'usemap', # Not standard: 'dynsrc', 'lowsrc', # HTML5 formaction 'formaction' ]) # Not in the HTML 4 spec: # onerror, onresize event_attrs = frozenset([ 'onblur', 'onchange', 'onclick', 'ondblclick', 'onerror', 'onfocus', 'onkeydown', 'onkeypress', 'onkeyup', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onreset', 'onresize', 'onselect', 'onsubmit', 'onunload', ]) safe_attrs = frozenset([ 'abbr', 'accept', 'accept-charset', 'accesskey', 'action', 'align', 'alt', 'axis', 'border', 'cellpadding', 'cellspacing', 'char', 'charoff', 'charset', 'checked', 'cite', 'class', 'clear', 'cols', 'colspan', 'color', 'compact', 'coords', 'datetime', 'dir', 'disabled', 'enctype', 'for', 'frame', 'headers', 'height', 'href', 'hreflang', 'hspace', 'id', 'ismap', 'label', 'lang', 'longdesc', 'maxlength', 'media', 'method', 'multiple', 'name', 'nohref', 'noshade', 'nowrap', 'prompt', 'readonly', 'rel', 'rev', 'rows', 'rowspan', 'rules', 'scope', 'selected', 'shape', 'size', 'span', 'src', 'start', 'summary', 'tabindex', 'target', 'title', 'type', 'usemap', 'valign', 'value', 'vspace', 'width']) # From http://htmlhelp.com/reference/html40/olist.html top_level_tags = frozenset([ 'html', 'head', 'body', 'frameset', ]) head_tags = frozenset([ 'base', 'isindex', 'link', 'meta', 'script', 'style', 'title', ]) general_block_tags = frozenset([ 'address', 'blockquote', 'center', 'del', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'ins', 'isindex', 'noscript', 'p', 'pre', ]) list_tags = frozenset([ 'dir', 'dl', 'dt', 'dd', 'li', 'menu', 'ol', 'ul', ]) table_tags = frozenset([ 'table', 'caption', 'colgroup', 'col', 'thead', 'tfoot', 'tbody', 'tr', 'td', 'th', ]) # just this one from # http://www.georgehernandez.com/h/XComputers/HTML/2BlockLevel.htm block_tags = general_block_tags | list_tags | table_tags | frozenset([ # Partial form tags 'fieldset', 'form', 'legend', 'optgroup', 'option', ]) form_tags = frozenset([ 'form', 'button', 'fieldset', 'legend', 'input', 'label', 'select', 'optgroup', 'option', 'textarea', ]) special_inline_tags = frozenset([ 'a', 'applet', 'basefont', 'bdo', 'br', 'embed', 'font', 'iframe', 'img', 'map', 'area', 'object', 'param', 'q', 'script', 'span', 'sub', 'sup', ]) phrase_tags = frozenset([ 'abbr', 'acronym', 'cite', 'code', 'del', 'dfn', 'em', 'ins', 'kbd', 'samp', 'strong', 'var', ]) font_style_tags = frozenset([ 'b', 'big', 'i', 's', 'small', 'strike', 'tt', 'u', ]) frame_tags = frozenset([ 'frameset', 'frame', 'noframes', ]) html5_tags = frozenset([ 'article', 'aside', 'audio', 'canvas', 'command', 'datalist', 'details', 'embed', 'figcaption', 'figure', 'footer', 'header', 'hgroup', 'keygen', 'mark', 'math', 'meter', 'nav', 'output', 'progress', 'rp', 'rt', 'ruby', 'section', 'source', 'summary', 'svg', 'time', 'track', 'video', 'wbr' ]) # These tags aren't standard nonstandard_tags = frozenset(['blink', 'marquee']) tags = (top_level_tags | head_tags | general_block_tags | list_tags | table_tags | form_tags | special_inline_tags | phrase_tags | font_style_tags | nonstandard_tags | html5_tags)