1.3.0
* Add a new special placeholder function `%REPLACE(...)%`. See also the [automated test](https://github.com/piroor/copy-selected-tabs-to-clipboard/blob/master/test/test-replacer.js) for its detailed spec. * Report errors as copied text. * Fallback to plain text copy when failed to copy a rich text. * Support rich text copy with `dom.events.asyncClipboard.dataTransfer`=`true`.