Polyglot markup Polyglot markup In computing, a polyglot markup is a document or script written in a valid form of multiple markup languages, which performs the same output, independent of the markup's parser, layout engine, or interpreter. In general, the "polyglot markup" is a common subset of two or more languages, that can be used as a robust or simplified profile. Polyglot HTML is HTML that has been written to conform to both the HTML and XHTML specifications. A polyglot document can therefore be parsed as either HTML (which is SGML-compatible) or XML, and will produce the same DOM structure either way.
What the Night Knows daughter's mysterious aid is able to defeat Blackwood's spirit and shed the less literal demons that have been haunting him since the murder of his first family. This novella was written for the Kindle, and saw print in the paperback edition of the novel. It is mainly set prior to the incidents in "What The Night Knows", but also bookends the novel itself. In the initial part of the novella, Alton Turner Blackwood meets a boy named Howie, and the subsequent events of this novella dovetail into the background of the main novel, with a time lapse to the end