move preamble.tex to preamble.sty

source/BandstructureParameters.en.tex

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

source/BandstructureParameters.tex

 \documentclass[mh]{smglom}
-\libinput{preamble}
+\libusepackage{preamble}
 \begin{document}
 \begin{modsig}{BandstructureParameters}
 \symdef[name=effective-density-of-states-conduction-bands]{DOSConductionBand}{N_c}

source/Charge.en.tex

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

source/Charge.tex

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

source/ContinuityBoundaryConditionsElectrons.en.tex

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

source/ContinuityBoundaryConditionsElectrons.tex

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

source/ContinuityBoundaryConditionsHoles.en.tex

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

source/ContinuityBoundaryConditionsHoles.tex

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

source/ContinuityEquationElectrons.en.tex

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

source/ContinuityEquationElectrons.tex

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

source/ContinuityEquationHoles.en.tex

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

source/ContinuityEquationHoles.tex

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

source/CurrentElectrons.en.tex

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

source/CurrentElectrons.tex

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

source/CurrentHoles.en.tex

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

source/CurrentHoles.tex

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

source/DensityElectrons.en.tex

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

source/DensityElectrons.tex

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

source/DensityHoles.en.tex

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

source/DensityHoles.tex

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