Changing the Empty Paragraph in TinyMCE editor plugin

This plugin adds a button to the TinyMCE editor that adds an empty paragraph that won't get deleted. It adds in the HTML <p class="empty-paragraph"> <span style="font-size: 1px; color: transparent;">.</span></p> I want this plugin changed in this manner. It should add only </p> For this, I need the Empty Paragraph in TinyMCE editor plugin. The freelancer should send me the plugin as a zip file which I will install on test site. When the plugin is working properly, I will install it on a live site. The work should be done in 24 hours after being awarded the project. Freelancer should allow 7 days for testing after he finishes his work, before getting paid