- added mathml1

resources/test/catalog/import_regression.catalog

+<?xml version="1.0"?>
+<!DOCTYPE catalog PUBLIC "-//OASIS//DTD XML Catalogs V1.0//EN"
+        "file:///usr/share/xml/schema/xml-core/catalog.dtd">
+<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
 <!-- XHTML 1.1 // https://www.w3.org/TR/xhtml11/ -->
-  <public publicId="-//W3C//DTD XHTML 1.1//EN"                     uri="file:/resources/test/catalog/import/regression.dtd"/>
-  <system systemId="http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"  uri="file:/resources/test/catalog/import/regression.dtd"/>
-  <system systemId="https://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd" uri="file:/resources/test/catalog/import/regression.dtd"/>
-  <system systemId="http://www.w3.org/MarkUp/DTD/xhtml11.dtd"      uri="file:/resources/test/catalog/import/regression.dtd"/>
-  <system systemId="https://www.w3.org/MarkUp/DTD/xhtml11.dtd"     uri="file:/resources/test/catalog/import/regression.dtd"/>
+  <public publicId="-//W3C//DTD XHTML 1.1//EN"                     uri="import_regression.dtd"/>
+
+  
+  <!-- MathML 1.0.1 // https://www.w3.org/Math/DTD/ -->
+  <!--
+  <system systemId="http://www.w3.org/Math/DTD/mathml1/mathml.dtd" uri="import/mathml1/mathml.dtd"/>
+  <system systemId="https://www.w3.org/Math/DTD/mathml1/mathml.dtd" uri="import/mathml1/mathml.dtd"/>
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isoamsa.ent" uri="import/mathml1/isoamsa.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isoamsb.ent" uri="import/mathml1/isoamsb.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isoamsc.ent" uri="import/mathml1/isoamsc.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isoamsn.ent" uri="import/mathml1/isoamsn.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isoamso.ent" uri="import/mathml1/isoamso.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isoamsr.ent" uri="import/mathml1/isoamsr.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isobox.ent" uri="import/mathml1/isobox.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isocyr1.ent" uri="import/mathml1/isocyr1.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isocyr2.ent" uri="import/mathml1/isocyr2.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isodia.ent" uri="import/mathml1/isodia.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isogrk1.ent" uri="import/mathml1/isogrk1.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isogrk2.ent" uri="import/mathml1/isogrk2.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isogrk3.ent" uri="import/mathml1/isogrk3.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isogrk4.ent" uri="import/mathml1/isogrk4.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isolat1.ent" uri="import/mathml1/isolat1.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isolat2.ent" uri="import/mathml1/isolat2.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isomfrk.ent" uri="import/mathml1/isomfrk.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isomopf.ent" uri="import/mathml1/isomopf.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isomscr.ent" uri="import/mathml1/isomscr.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isonum.ent" uri="import/mathml1/isonum.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isopub.ent" uri="import/mathml1/isopub.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/isotech.ent" uri="import/mathml1/isotech.ent" />
+      <system systemId="https://www.w3.org/Math/DTD/mathml1/mmlalias.ent" uri="import/mathml1/mmlalias.ent" />
+      <system systemId="file:import/mathml1/mmlextra.ent" uri="import/mathml1/mmlextra.ent" />
+      -->
+</catalog>