Convert an SGML document to XML
Generate a list of tags
Generate a list of entities
xml conversion options
-xid Output attribute declarations for ID attributes.
-xnotation Output declarations for notations.
-xndata Output declarations for external data entities.
-xcdata Use XML CDATA sections for CDATA marked sections and for elements with a declared content of CDATA.
-xcomment Output comment declarations. Comment declarations in the DTD will not be outputted.
-xlower Prefer lower case. Names that were subjected to upper-case substitution by SGML will be folded to lower case, except for reserved names.
-xpi-escape Escape &<> in the contents of processing instructions using the amp, lt and gt entities.
-xempty Use the <e/> syntax for element types e declared as EMPTY.
-xattlist Output a ATTLIST declaration for every element specifying the type of all attributes. The default will always be #IMPLIED.