> I found that some entities contain extra bland in their target id,
> i.e.,
https://kb.diffeo.com/_Bill_Templeton
> and
https://kb.diffeo.com/_3NIbfDpEdTwZ.
>
> Why this happen? Should we retain the blank in our submission file?
Good question: the tool that helped assessors select entities did not
strip whitespace from the ends of the string, so the target_id strings can
have underscores "_" in them. You should keep them. That is the official
topic identifier.
jrf