PHPMailer/PHPMailer — pull request #152 by vlajos (2013-12-16 10:43:17+00:00)
Title: emptyGroupName, setEmptyGroupName implementation to allow override of "u...

emptyGroupName, setEmptyGroupName implementation to allow override of "undisclosed-recipients:;" when the To field would be empty.

This PR was the original one: https://github.com/PHPMailer/PHPMailer/pull/151

(I though it is cleaner to create a new patch/branch/pr.)