Issue 4292
In order to work with 'make-stencil-boxer' etc
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;; measure counter
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;; measure counter
-(define (measure-counter-stencil grob)
+(define-public (measure-counter-stencil grob)
"Print a number for a measure count. The number is centered using
the extents of @code{BreakAlignment} grobs associated with the left and
right bounds of a @code{MeasureCounter} spanner. Broken measures are
"Print a number for a measure count. The number is centered using
the extents of @code{BreakAlignment} grobs associated with the left and
right bounds of a @code{MeasureCounter} spanner. Broken measures are