Kenneth Lausdahl submitted the
vdmlisting
package.
Summary description: Typesetting VDM in ASCII syntax License type: lppl
Announcement text: ----------------------------------------------------------------------
This is a new package that defined a number of listing environments that enables VDM model to be displayed in ASCII.
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This package is located at http://mirror.ctan.org/macros/latex/contrib/vdmlisting . More information is at http://www.ctan.org/pkg/vdmlisting (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .
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Thanks for the upload.
For the CTAN Team Rainer Schöpf