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About this Add-on
I plan on only updating compatibility with new Firefox versions. I don't intend to add functionality. One issue that exists is related to frames. If text is selected within a frame, UnicodetoHTML returns a blank popup and doesn't copy anything to the clipboard. I'm not going to address this, but if someone else wants to, they are welcome to help.
0.8 - Replaced deprecated code and updated compatibility.
0.61 - Changed Web site URL
0.6 - Changed display popup appearance. Added automatic copy of HTML character codes to clipboard. Added option to not display popup, but still auto copy to clipboard.
0.4 - Name change to reflect actual function.
0.3.4 - Fixed the spelling issues. Altered description on page.