VdmListing package Copyright 2012--2020 Kenneth Lausdahl (the package) Released under the LaTeX Project Public License 1.3 or later The `vdmlisting' package is an extension for the 'listings' package that provides a source code printer for LaTeX. This package defines new language definitions and listing environments for the three language dialects of the Vienna Development Method: VDM-SL, VDM-PP and VDM-RT.