tree d89fe694bb5d272485bde1dad4bd6fb8dc461e25
parent 669db3d7768b3b94d31d6552a1012ee29f54b8d8
author Chen-Pang He <jdh8@ms63.hinet.net> 1347197728 +0800
committer Chen-Pang He <jdh8@ms63.hinet.net> 1347197728 +0800

Use conj_expr_if to clarify what it's doing.