fix: move command substitutions into inner and outer themes

Closes #47.

src/beamerinnerthememoloch.dtx

@@ -47,7 +47,16 @@
 \RequirePackage{tikz}
 %    \end{macrocode}
 %
+% \subsubsection{Memoization and Tikz Externalization}
 %
+% See the documentation for the correspondign section under the outer theme for
+% more information on the following lines.
+%
+%    \begin{macrocode}
+\providecommand{\tikzexternalenable}{}
+\providecommand{\tikzexternaldisable}{}
+\providecommand{\mmzUnmemoizable}{}
+%    \end{macrocode}
 %
 % \subsubsection{Options}
 %

src/beamerouterthememoloch.dtx

@@ -38,6 +38,20 @@
 %    \end{macrocode}
 %
 %
+% \subsubsection{Memoization and Tikz Externalization}
+%
+% To avoid generating externalized figures of the progressbar we have to disable
+% them with ``tikzexternalenable'' and ``tikzexternaldisable''. However, if the
+% ``external'' library is not loaded we would get undefined control sequence
+% problems, hence we define them as no-ops if they are not defined yet.
+% We do the same for the ``mmzUnmemoizable'' command from the memoize package, in
+% order to avoid memoization of the progress bars.
+%
+%    \begin{macrocode}
+\providecommand{\tikzexternalenable}{}
+\providecommand{\tikzexternaldisable}{}
+\providecommand{\mmzUnmemoizable}{}
+%    \end{macrocode}
 %
 % \subsubsection{Options}
 %

src/beamerthememoloch.dtx

@@ -104,19 +104,6 @@
 }
 %    \end{macrocode}
 %
-% To avoid generating externalized figures of the progressbar we have to disable
-% them with ``tikzexternalenable'' and ``tikzexternaldisable''. However, if the
-% ``external'' library is not loaded we would get undefined control sequence
-% problems, hence we define them as no-ops if they are not defined yet.
-% We do the same for the ``mmzUnmemoizable'' command from the memoize package, in
-% order to avoid memoization of the progress bars.
-%
-%    \begin{macrocode}
-\providecommand{\tikzexternalenable}{}
-\providecommand{\tikzexternaldisable}{}
-\providecommand{\mmzUnmemoizable}{}
-%    \end{macrocode}
-%
 % \subsubsection{Component Sub-Packages}
 %
 % Having processed the options, we can now load the component sub-packages of

testfiles/separation.lvt

@@ -0,0 +1,10 @@
+\documentclass[hyperref={draft}]{beamer}
+
+\useoutertheme{moloch}
+\useinnertheme{moloch}
+\usefonttheme{moloch}
+\usecolortheme{moloch}
+
+\usepackage{lmodern}
+
+\input{molochexample}