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(Predefined Units): Fix the symbol for a TeX points, mention other

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TeX-related units.
This commit is contained in:
Jay Belanger 2005-10-28 04:49:41 +00:00
parent ca7250cb5a
commit 5dee9246a3
1 changed files with 11 additions and 3 deletions
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14
man/calc.texi
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@ -27991,9 +27991,17 @@ for Angstroms.
@end ifinfo @end ifinfo
The unit @code{pt} stands for pints; the name @code{point} stands for The unit @code{pt} stands for pints; the name @code{point} stands for
a typographical point, defined by @samp{72 point = 1 in}. There is a typographical point, defined by @samp{72 point = 1 in}. This is
also @code{tpt}, which stands for a printer's point as defined by the slightly different than the point defined by the American Typefounder's
@TeX{} typesetting system: @samp{72.27 tpt = 1 in}. Association in 1886, but the point used by Calc has become standard
largely due to its use by the PostScript page description language.
There is also @code{texpt}, which stands for a printer's point as
defined by the @TeX{} typesetting system: @samp{72.27 texpt = 1 in}.
Other units used by @TeX{} are available; they are @code{texpc} (a pica),
@code{texbp} (a ``big point'', equal to a standard point which is larger
than the point used by @TeX{}), @code{texdd} (a Didot point),
@code{texcc} (a Cicero) and @code{texsp} (a scaled @TeX{} point,
all dimensions representable in @TeX{} are multiples of this value).
The unit @code{e} stands for the elementary (electron) unit of charge; The unit @code{e} stands for the elementary (electron) unit of charge;
because algebra command could mistake this for the special constant because algebra command could mistake this for the special constant