Revision 17316: fhem.pl: fix oldreadings issue with 0 value (Forum #91003)
fhem.pl: fix oldreadings issue with 0 value (Forum: #91003)
Source: Revision 17316: fhem.pl: fix oldreadings issue with 0 value (Forum #91003) (http://svn.fhem.de/trac/changeset/17316/trunk)