Special Chars get Double Encoded on output

If I enter a node title of "Drupal's Code & Workflow" and try to share that node via twitter:

• then it generates the following URL: https://twitter.com/intent/tweet?url=http%3A%2F%2Fdrupal.org&text=Drupal...
• This appears in twitter as "Drupal's Code & Workflow !@#$%^&*()-+=[]{};'\|:"<>,.~ http://drupal.org"

It seems that social_share.theme:L148 calls rawurlencode which is double encoding text.
Recommend replacing
$replacements[$k] = rawurlencode($v);
with
$replacements[$k] = rawurlencode(decode_entities($v));

See attached patch.