Update to reflect recently added markup.
diff --git a/Doc/tools/sgmlconv/conversion.xml b/Doc/tools/sgmlconv/conversion.xml
index 82caadf..cf4a4c5 100644
--- a/Doc/tools/sgmlconv/conversion.xml
+++ b/Doc/tools/sgmlconv/conversion.xml
@@ -61,6 +61,15 @@
<macro name="warning">
<content/>
</macro>
+ <environment name="notice">
+ <attribute name="role" optional="yes"/>
+ </environment>
+
+ <macro name="menuselection">
+ <content/>
+ </macro>
+ <macro name="sub"/>
+
<!-- These are broken: we need to re-order the optional and required
parameters, making the optional parameter the content for the
element. latex2esis.py is not powerful enough to handle this.