diff -urNp OpenSP-1.5.2-orig/docsrc/osgmlnorm.xml OpenSP-1.5.2/docsrc/osgmlnorm.xml
--- OpenSP-1.5.2-orig/docsrc/osgmlnorm.xml	2005-12-08 20:34:01.000000000 +0100
+++ OpenSP-1.5.2/docsrc/osgmlnorm.xml	2013-08-15 14:58:01.284430911 +0200
@@ -173,6 +173,15 @@
           <para>Show error numbers in error messages.</para>
        </listitem>
      </varlistentry>
+
+     <varlistentry>
+       <term><option>-g</option></term>
+       <term><option>--open-elements</option></term>
+         <listitem>
+           <para>Show the generic identifiers of open elements in error
+           messages.</para>
+         </listitem>
+     </varlistentry>
           
      <varlistentry>
        <term><option>-h</option></term>
diff -urNp OpenSP-1.5.2-orig/docsrc/ospam.xml OpenSP-1.5.2/docsrc/ospam.xml
--- OpenSP-1.5.2-orig/docsrc/ospam.xml	2005-12-08 20:34:01.000000000 +0100
+++ OpenSP-1.5.2/docsrc/ospam.xml	2013-08-15 14:53:58.414782217 +0200
@@ -151,6 +151,16 @@
           of stderr.</para>
        </listitem>
      </varlistentry>
+
+     <varlistentry>
+       <term><option>-g</option></term>
+       <term><option>--open-elements</option></term>
+         <listitem>
+           <para>Show the generic identifiers of open elements in error
+           messages.</para>
+         </listitem>
+     </varlistentry>
+
      <varlistentry>
        <term><option>-h</option></term>
        <term><option>--hoist-omitted-tags</option></term>