# HG changeset patch
# User Shinji KONO <kono@ie.u-ryukyu.ac.jp>
# Date 1588559488 -32400
# Node ID f2b2fc8627cdc4f821c6037d661b1555d41ada2b
# Parent  b33007dfdc4e8c6bac0b514f62d4ee9c9af83d71
give up reverse mapping