\let\mdwxxthebibliography\thebibliography
\def\thebibliography{\mdwxxbibhook\mdwxxthebibliography}
\def\mdwxxurl#1{[#1]}
-\def\biburl#1{\let\biburlsep\empty\biburlxi#1;;\done}
+\def\biburl{\bgroup\catcode`\#12\relax\biburlx}
+\def\biburlx#1{\let\biburlsep\empty\biburlxi#1;;\done\egroup}
\def\biburlxi#1;{\def\temp{#1}\ifx\temp\empty\expandafter\biburlxiii\else
\biburlxii#1,,\done\let\biburlxafter\biburlxi\expandafter\biburlxmunch\fi}
\def\biburlxii#1,{\def\temp{#1}\ifx\temp\empty\expandafter\biburlxiii\else