Can sitemap.xml precessors cope with <!ENTITY name "my text">?

Can sitemap.xml precessors cope with this ?

<?xml version="1.0" encoding="UTF-8"?>
<!ENTITY  port ":8080">
<!ENTITY  host"http://example.com&port;">
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
    <loc>&a开发者_开发技巧mp;host;/path/</loc>
 <!-- ...

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I assume so. It will most likely just ignore it though. If there is no Sitemaps DTD, I think it has to ignore it unless it expects it.

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From Wikipedia:

In the markup languages SGML, HTML, XHTML and XML, a character entity reference is a reference to a particular kind of named entity that has been predefined or explicitly declared in a Document Type Definition (DTD). The "replacement text" of the entity consists of a single character from the Universal Character Set/Unicode. The purpose of a character entity reference is to provide a way to refer to a character that is not universally encodable.

In short, no. Not unless the preprocessor is very forgiving.