move preamble.tex to preamble.sty

source/Device.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{Device}{en}
   \begin{definition}

source/Device.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{Device}
     \symi{device}

source/DeviceGeometry.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{DeviceGeometry}{en}
   \begin{definition}

source/DeviceGeometry.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{DeviceGeometry}
   \gimport{Device}

source/DeviceOperationState.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{DeviceOperationState}{en}
   \begin{definition}

source/DeviceOperationState.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{DeviceOperationState}
  

source/Displacement.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{Displacement}{en}
   \begin{definition}

source/Displacement.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{Displacement}
   \gimport[smglom/arithmetics]{realarith}

source/DopingProfile.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{DopingProfile}{en}
   \begin{definition}

source/DopingProfile.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{DopingProfile}
   \gimport{DeviceGeometry}

source/ElectrostaticPotential.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{ElectrostaticPotential}{en}
   \begin{definition}

source/ElectrostaticPotential.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{ElectrostaticPotential}
   \gimport{DeviceGeometry}

source/FermiPotentialElectrons.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{FermiPotentialElectrons}{en}
 \begin{definition}

source/FermiPotentialElectrons.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 % sTeX file automatically generated from OMDoc/MMT file, needs to be adapted 
 \begin{modsig}{FermiPotentialElectrons}

source/FermiPotentialHoles.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{FermiPotentialHoles}{en}
 \begin{definition}

source/FermiPotentialHoles.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{FermiPotentialHoles}
   \gimport{DeviceGeometry}

source/Mobilities.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{Mobilities}{en}
   \begin{definition}

source/Mobilities.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{Mobilities}
   \symdef[name=mobility-electrons]{ElectronMobility}{\mu_n}

source/OneDimDevice.en.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{mhmodnl}{OneDimDevice}{en}
   \begin{definition}

source/OneDimDevice.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{OneDimDevice}
   \gimport{DeviceGeometry}