convert virtual font (vf) files to virtual property lists (vpl)
see also :
pltotf - tftopl - vptovf
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page is not meant to be exhaustive. The complete
documentation for this version of TeX can be found in the
info file or manual Web2C: A TeX implementation.
vftovp program translates a (program-oriented)
virtual font file and its accompanying TeX font metric file
to a (human-oriented) property list file. Thus, the virtual
font can be edited, and its exact contents can be displayed
mnemonically. It also serves as a VF-file validating
program; if no error messages are given, the input files are
are extended with the appropriate extension if
The argument format
specifies how character codes are output in the VPL file. By
default, only letters and digits are output using the
C integer code (i.e., in ASCII); the others are
output in octal. (Unless the font’s coding scheme
starts with TeX math sy or TeX math ex, when
all are output in octal.) If format is ascii,
all character codes that correspond to graphic characters,
besides the left and right parentheses, are output in ASCII.
On the other hand, if format is octal, all
character codes are output in octal.
Without this option,
vftovp operates silently. With it, a banner and
progress report are printed on stdout.
vftovp looks for vf_name using the environment
variable VFFONTS. If that is not set, it uses the variable
TEXFONTS. If that is not set, it uses the system default.
See tex(1) for the details of the searching.
tftopl , vptovf .
Donald E. Knuth
wrote the program, based in part on an idea of David Fuchs,
starting with the code for tftopl(1). Karl Berry
adapted it for compilation with web2c.