I'm using geo places theme using blogging platforms. I have installed Open Graph Tool for WordPress and things are good except the encoding.
What I have discovered to date is the fact that after i remove this from header file Facebook factor works good, however it messes up everything on my small website:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
With this DOCTYPE you're proclaiming your page as XHTML. Are you aware the main difference from a valid HTML along with a valid XHTML file? Otherwise, just take it off.
BTW, the default encoding for XHTML is UTF-8, for HTML it's harder to inform exactly (theory and practive don't agree within this situation) it always is Latin1.