Fix syntax error in the documentation

\let\thesis@blocks@preamble\relax

\let\thesis@blocks@mainMatter\relax

% \end{macro}

%    \end{macrocode}

% Before expanding |\thesis@blocks@postamble| inside a \TeX{}

% group, the |\thesis@postamble| macro defines the

% \cs{thesis@pages@postamble} macro, writes the definition to the