diff -urNp a/userguide/pammixmulti.html b/userguide/pammixmulti.html
--- a/userguide/pammixmulti.html 2018-11-23 11:20:28.471419187 +0100
+++ b/userguide/pammixmulti.html 2018-11-23 11:24:19.488085440 +0100
@@ -1,4 +1,3 @@
-<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">
<html>
<head>
@@ -6,7 +5,7 @@
<meta http-equiv="content-type" content="text/html; charset=utf-8">
</head>
<body>
-<h1 id="pammixmulti">pammixmulti</h1>
+<h1>pammixmulti</h1>
Updated: 18 November 2018<br />
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