Hi, First off, a big thank you to whomever wrote the Hyperlink Helper! What a great little bundle! I think you have helped the world, as this will make more pages incorporate referencing for claims, and help wikipedia become the top link for information and make links more semantically (in the Tim Berners Lee sense of semantic link) valid
Buglet for you:
Select the text "Cronbach's alpha"
"Lookup selection on wikipedia and link" -->
Received exception:bad URI(is not URI?): http://en.wikipedia.org/wiki/Cronbach%5C%27s_alpha <a href="" title=""></a>
In a plain text document it returns the following
Received exception:bad URI(is not URI?): http://en.wikipedia.org/wiki/Cronbach%5C%27s_alpha (this language is not supported, see for more info)