pbwiki can't handle "%" in urls

Whenever I put a URL with percent symbols in the text of a wiki page, the automatic links replace the percent symbols with plus signs. The URL appears correct in the wiki page, but if you click on the link, it tries to go to the wrong address.
Example:
Text says "http://www.pbwiki.com/mysite%tomorrow%schedule"
Link actually directs the browser to "http://www.pbwiki.com/mysite+tomorrow+schedule"

I'm trying to link to content that I do not control, so I can't change the URLs unless I use tinyurl, which I will have to since at present all of my links are broken. Is there a way to fix this bug?
 
silly I’m aggravated
Inappropriate?
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