Rights to Close EX от shandev

This extension enables user to close the current tab by right double-clicking anywhere on the viewing web page.
It allows activation of context menu when right-clicking on link elements (e.g. images, hyperlinks) of web page.
Context menu will remain open if right double-clicking on link element to close tab.
Context menu is disabled for the rest of page to facilitate tab closure.
Press CTRL + right-click anywhere on page to activate the context menu.

See option for alternative behavior.

Limitation : Does not work on,
- "addons.mozilla.org" site
- special page (e.g. "about:config", "about:addon")
- page with error (e.g. connection timed out)