added alt attribute to auto generated chart from survey block
added alt attribute to auto generated chart from survey block
MichaelMaar/concrete5,MichaelMaar/concrete5,TimDix/concrete5,TimDix/concrete5,avdevs/concrete5,avdevs/concrete5,matt9mg/concrete5,TimDix/concrete5,avdevs/concrete5,matt9mg/concrete5,matt9mg/concrete5,MichaelMaar/concrete5