(stroke-style (ly:grob-property stem-grob 'stroke-style))
(stencil (if (null? stroke-style) flag
(add-stroke-glyph flag stem-grob dir stroke-style ""))))
- (ly:stencil-rotate stencil 180 -1 -1)))
+ (ly:stencil-rotate-absolute stencil 180 0 0)))
{
\override Score.RehearsalMark #'self-alignment-X = #LEFT