PHPMailer/PHPMailer — pull request #264 by EionRobb (2014-08-10 20:42:56+00:00)
Title: Support images with data: uri's in HTML message

Currently using data: uri's for inline images in HTML messages get skipped and treated as if they're url's, however not all email clients support data: uri's. This patch turns them into embedded images as if they were relative uri's.