(_hg_operator_real_arc): implemented. (_hg_operator_real_arcn): implemented. (_hg_operator_real_arct): implemented. (_hg_operator_real_arcto): implemented.
(_hg_operator_real_arc): implemented.
(_hg_operator_real_arcn): implemented.
(_hg_operator_real_arct): implemented.
(_hg_operator_real_arcto): implemented.

freedesktop-unofficial-mirror/hieroglyph,freedesktop-unofficial-mirror/hieroglyph,freedesktop-unofficial-mirror/hieroglyph