tree ee8fe0c61926ab60c52f031233583c7197a9dad4
parent 78dbddb4f16ac4df1d68312788a132fb0f659312
author Andrew Cann <shum@canndrew.org> 1527838777 +0800
committer Andrew Cann <shum@canndrew.org> 1527838777 +0800

remove lone symbol