Info Catalog
groff: Page Control
groff: gtroff Reference
groff: Sizes
5.17 Fonts and Symbols
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'gtroff' can switch fonts at any point in the text.
The basic set of fonts is 'R', 'I', 'B', and 'BI'. These are Times
Roman, Italic, Bold, and Bold Italic. For non-TTY devices, there is
also at least one symbol font that contains various special symbols
(Greek, mathematics).
· Changing Fonts · Font Families · Font Positions · Using Symbols · Character Classes · Special Fonts · Artificial Fonts · Ligatures and Kerning