DVIcopy: Canonicalize virtual font references

DVIcopy reads a DVI file, expands any references to virtual fonts (see section `Virtual fonts' in Dvips) to base fonts, and writes the resulting DVI file. Thus you can use virtual fonts even if your DVI processor does not support them, by passing the documents through DVIcopy first. Synopsis:

dvicopy [option]... [indvi[.dvi] [outdvi[.dvi]]]

DVIcopy reads standard input if indvi is not specified, and writes standard output if outdvi is not specified.

The program accepts the following options, as well as the standard `-help' and `-version' (see section Common options):

`-magnification=integer'

Override existing magnification in indvi with integer; 1000 specifies no magnification. This is equivalent to setting TeX's \mag parameter.

`-max-pages=n'

Process n pages; default is one million.

`-page-start=page-spec'

Start at the first page matching page-spec, which is one or more (signed) integers separated by periods, corresponding to TeX's \count0...9 parameters at \shipout time; `*' matches anything. Examples: `3', `1.*.-4'.

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