\method{SetBase()} hasn't been called.
\end{methoddesc}
-\class{xmlparser} objects have the following attributes, containing
-values relating to the most recent error encountered by an
-\class{xmlparser} object. These attributes will only have correct
-values once a call to \method{Parse()} or \method{ParseFile()}
+\class{xmlparser} objects have the following attributes.
+
+\begin{datadesc}{returns_unicode}
+If this attribute is set to 1, the handler functions will be passed
+Unicode strings. If \member{returns_unicode} is 0, 8-bit strings
+containing UTF-8 encoded data will be passed to the handlers.
+\end{datadesc}
+
+The following attributes contain values relating to the most recent
+error encountered by an \class{xmlparser} object, and will only have
+correct values once a call to \method{Parse()} or \method{ParseFile()}
has raised a \exception{pyexpat.error} exception.
\begin{datadesc}{ErrorByteIndex}