Section: User Commands (1)
Updated: 10 February 2018
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addftinfo - add information to troff font files for use with groff
reads a troff font file and adds some additional font-metric
information that is used by the groff system.
The font file with the information added is written on the standard
The information added is guessed using some parametric information
about the font and assumptions about the traditional troff names for
The main information added is the heights and depths of characters.
arguments should be the same as the corresponding parameters in the
is the name of the file describing the font;
the font will be assumed to be italic.
prints the version number.
All other options change one of the parameters that are used to derive
the heights and depths.
Like the existing quantities in the font file, each
for a font whose point size is
must be one of:
The height of lowercase letters without ascenders such as x.
The height of figures (digits).
The height of characters with ascenders, such as b, d or l.
The height of characters such as parentheses.
The height of uppercase letters such as A.
The depth of a comma.
The depth of characters with descenders, such as p, q, or y.
The depth of characters such as parentheses.
makes no attempt to use the specified parameters to guess the
If a parameter is not specified the default will be used.
The defaults are chosen to have the reasonable values for a Times
Watch a man-page
in text mode and with
man n name
in graphical mode (PDF, etc.).
groffer n name
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Time: 16:27:19 GMT, September 20, 2018