871 |
;; contains dirty pixels. => oops, redraw error. |
;; contains dirty pixels. => oops, redraw error. |

872 |
;; |
;; |

873 |
;; b. Since the above above calculation took the parent's native |
;; b. Since the above above calculation took the parent's native |

874 |
;; transformation into account, (and even the naïvely wanted mirror |
;; transformation into account, (and even the naively wanted mirror |

875 |
;; region depends on the parent's native transformation), we need to |
;; region depends on the parent's native transformation), we need to |

876 |
;; redo mirror geometry calculation for any child. |
;; redo mirror geometry calculation for any child. |

877 |
;; |
;; |