Drawbacks of XML Syntax

<?xml version="1.0" standalone='no' encoding="iso8859-1"?>

<!DOCTYPE xmp [

<!ENTITY % ctrlvar "IGNORE">

<!ENTITY % myvar "| corpdata">

<!ENTITY % extref PUBLIC "-//MyCom//ELEMENTS Standard Set//EN"

  "stdset.elm">

%extref;

]>

<xmp role="obfuscation">

  <hi rend="qq1"><dbref sql="&qu73a;"/></hi>

  &bptx;

</xmp>