Remove reference to Polyglot Markup. Resolves #765.

w3c · Mar 31, 2017 · 49073d8 · 49073d8
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commit 49073d8
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diff --git a/sections/introduction.include b/sections/introduction.include
@@ -1292,19 +1292,6 @@
  disabilities, should find conforming user agents to be more usable.
  </blockquote>
 
- : <cite>Polyglot Markup: HTML-Compatible XHTML Documents</cite> [[HTML-POLYGLOT]]
- :: <blockquote>
- A document that uses polyglot markup is a document that is a stream of bytes that parses
- into identical document trees (with the exception of the xmlns attribute on the root
- element) when processed as HTML and when processed as XML. Polyglot markup that meets a
- well defined set of constraints is interpreted as compatible, regardless of whether they are
- processed as HTML or as XHTML, per the HTML specification. Polyglot markup uses a specific
- DOCTYPE, namespace declarations, and a specific case &mdash; normally lower case but
- occasionally camel case &mdash; for element and attribute names. Polyglot markup uses lower
- case for certain attribute values. Further constraints include those on empty elements,
- named entity references, and the use of scripts and style.
- </blockquote>
-
  : <cite>HTML Accessibility APIs Mappings 1.0</cite> [[!html-aam-1.0]]
  :: <blockquote>
  Defines how user agents map HTML 5.1 elements and attributes to platform accessibility APIs.