The following code converts to PDF correctly BUT gives me warning messages:
As I said, the fraction displays correctly on the PDF but I get the following error messages:
What am I doing wrong?
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
lang="en" xml:lang="en">
<body>
<m:math mode="display" xmlns="http://www.w3.org/1998/Math/MathML">
<m:mrow>
<m:mfrac>
<m:mn>Tr(AW)</m:mn>
<m:mn>Tr(W)</m:mn>
</m:mfrac>
</m:mrow>
</m:math>
</body>
</html>
As I said, the fraction displays correctly on the PDF but I get the following error messages:
warning: Namespace prefix m is not defined
prince: test2.html:7: error: Tag m:math invalid
What am I doing wrong?