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Fix subscripts in the Calc manual

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* doc/misc/calc.texi (Musical Notes): Use @sub instead of TeX-only
'_' notation.  For the details, see the discussion in
https://lists.gnu.org/archive/html/emacs-devel/2023-06/msg00096.html.
This commit is contained in:
Eli Zaretskii 2023-06-15 10:08:55 +03:00
parent 70fc7c41ef
commit f73f82d7e8
1 changed files with 3 additions and 3 deletions
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doc/misc/calc.texi
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@ -28470,13 +28470,13 @@ B and
@c flat and @expr{B}. @c flat and @expr{B}.
the octave numbered 0 was chosen to correspond to the lowest the octave numbered 0 was chosen to correspond to the lowest
audible frequency. Using this system, middle C (about 261.625 Hz) audible frequency. Using this system, middle C (about 261.625 Hz)
corresponds to the note @expr{C} in octave 4 and is denoted corresponds to the note @slanted{C} in octave 4 and is denoted
@expr{C_4}. Any frequency can be described by giving a note plus an @slanted{C@sub{4}}. Any frequency can be described by giving a note plus an
offset in cents (where a cent is a ratio of frequencies so that a offset in cents (where a cent is a ratio of frequencies so that a
semitone consists of 100 cents). semitone consists of 100 cents).
The midi note number system assigns numbers to notes so that The midi note number system assigns numbers to notes so that
@expr{C_(-1)} corresponds to the midi note number 0 and @expr{G_9} @slanted{C@sub{-1}} corresponds to the midi note number 0 and @slanted{G@sub{9}}
corresponds to the midi note number 127. A midi controller can have corresponds to the midi note number 127. A midi controller can have
up to 128 keys and each midi note number from 0 to 127 corresponds to up to 128 keys and each midi note number from 0 to 127 corresponds to
a possible key. a possible key.