>From params.ly 1.2.0:

"The space taken by a note is determined by the formula 

arithmetic_multiplier * ( c + log2 (time) ))

where code(time) is the amount of time a note occupies. The value
of code(c) is chosen such that the smallest space within a
measure is arithmetic_basicspace. The smallest space is the one
following the shortest note in the measure. Typically
arithmetic_basicspace is set to the width of a quarter note head.

arithmetic_basicspace = 2.;
arithmetic_multiplier = 0.9 * \quartwidth ;"

I'm confused: according to the English, this should be

arithmetic_basicspace = \quartwidth;

and one would expect arithmetic_multiplier to be a pure number
such as 0.9 rather than \quartwidth which has the dimension of a
length.

Could someone clarify this for me?
Is \quartwidth = 2.0?
And, must users put parameters like these in the \paper block?
Or are they dynamic so they can be put in with notes and
changed on the fly?

John

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