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Parse SGML with Open Arbitrary Tags in Python 3

If you can find an SGML DTD for the documents that you work with, a solution could be to use the osx SGML to XML converter from the OpenSP SGML toolkit to turn the documents into XML. Here is a simple example. Let’s say that we have the following SGML document (company.sgml; with a root … Read more

Where is the HTML5 Document Type Definition?

There is no HTML5 DTD. The HTML5 RC explicitly says this when discussing XHTML serialization, and this clearly applies to HTML serialization as well. DTDs have been regarded by the designers of HTML5 as too limited in expressive power, and HTML5 validators (basically the HTML5 mode of http://validator.nu and its copy at http://validator.w3.org/nu/) use schemas … Read more