Here are codes for special characters
± = &#177_; without the _
° = &#176_; without the _
ª = &#170_; without the _
º = &#186_; without the _
• = &#x2022_; without the _
↔ = &#8596_; without the _
← = &#8592_; without the _
→ = &#8594_; without the _
↓ = &#8595_; without the _
↑ = &#8593_; without the _
« = &#171_; without the _
» = &#187_; without the _
™ = &#8482_; without the _
© = &#169_; without the _
® = &#174_; without the _