FONT
5G
External fonts are described by a plain text file that can be read using rdfontfile. The format of the file is a header followed by any number of subfont range specifications. The header contains two numbers: the height and the ascent. The height is the inter-line spacing and the ascent is the distance from the top of the line to the baseline. These numbers are chosen to display consistently all the subfonts of the font. A subfont range specification contains two numbers and a font name. The numbers are the inclusive range of characters covered by the subfont, and name specifies the name of an X font suitable for getsubfont . The minimum number of a covered range is mapped to the first defined character of the corresponding subfont. Each field must be followed by some white space. Each numeric field may be C-format decimal, octal, or hexadecimal. Subfonts may be loaded using getsubfont , see graphics (3g).
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