tree 9d95c7ed55cb8c1c937c25e286eb7bee89868b89
parent 362328b6091a3ddbc6ddd9643c6c38c85fb908be
author Ingo Weigelt <iw@wglt.de> 1418746675 +0100
committer Ingo Weigelt <iw@wglt.de> 1418746828 +0100

can pass null as value for IS_SET or IS_NOT_SET