Links ending in ')' are not correctly detected.

[Davnit]

https://en.wikipedia.org/wiki/Stubbs_(cat) does not include the last character when clicked.
https://en.wikipedia.org/wiki/Stubbs_(cat)#Injuries correctly identifies the entire link.
(https://en.wikipedia.org/wiki/Stubbs_(cat)) correctly identifies the entire link (with no extra parentheses)

[carlbennett]

I have this bug too.