Clicking APL expressions in the Idiom Search does not copy to clipboard

[rikedyp]

In Firefox 66.0.3
In Chrome 73.0.3683.103
64 bit

https://miserver.dyalog.com/Examples/Applications/Idiom_Search.mipage

"If you click on an APL expression it will be copied to the clipboard."
Just looks like plain text under "Expression"