How to bind a value to “data-*” attribute using “bindAttr”?
<a {{bindAttr data-foo="content.foo"}}>

Error: Parse error on line 16:
...}}         <a {{bindAttr data-foo="content.foo
----------------------^
Expecting 'CLOSE', 'STRING', 'ID', 'SEP'

<a data-foo="{{content.foo}}">