fn glyphs(
shaped_text_slices: &[Arc<ShapedTextSlice>],
baseline_origin: PhysicalPoint<Au>,
justification_adjustment: Au,
include_whitespace: bool,
) -> (Vec<GlyphInstance>, Au)fn glyphs(
shaped_text_slices: &[Arc<ShapedTextSlice>],
baseline_origin: PhysicalPoint<Au>,
justification_adjustment: Au,
include_whitespace: bool,
) -> (Vec<GlyphInstance>, Au)