Why Can't Twitterfeed Read Standard Text Symbols?

Twitterfeed seems to be mangling certain text symbols when it sends them out. The blog posts from both of the blogs I'm using w/ Twitterfeed look fine on Twitter.com, but they look garbled on TinyTwitter and Twitteriffic. Both of these apps were reading the Twitter.com data fine prior to automating the process, so it looks like a Twitterfeed issue.

Example:

On the blog using http://www.mindpollution.org/feed/atom/ as its RSS feed, I post an article with the following title:

Interview: Mark from 'Film'

The title shows up fine on Twitter.com(www.twitter.com/rickmarshall), but on TinyTwitter and Twitteriffic, it shows up as:

Interview: Mark from 'Film'

Posted about this a few days ago in a related thread and haven't heard back yet. Would love to hear back before I go the Twitterfeed=Fired route.
 
sad I’m getting more disappointed
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