fix inclusion of src-attribute

the old version provoked a compile error and didn't work generally

the gist needs to be updated, too, of course ;)
update gist
Revert "update gist"

This reverts commit caf0d1a95c61257d9e1ed7063e45a31f0a6b0f49.
removed quotes and added space after end of curly brace
add the space at another place ;-)
Merge pull request #166 from rbecher/bem-info-data

fix inclusion of src-attribute