return "" instead of undef in html creation for disable == 3 to avoid fhemweb fallback to STATE if inside group
return "" instead of undef in html creation for disable == 3 to avoid fhemweb fallback to STATE if inside groupView Changes
Source: return "" instead of undef in html creation for disable == 3 to avoid fhemweb fallback to STATE if inside group (http://sourceforge.net/p/fhem/code/6180/)