Allow Copy (include hot keys and some css) & Context Menu. Disable (remove) copy text protection and allow copy for all sites. Thanks Lex1 for example http://lexi.ucoz.ru/buttons.html
Firefox, SeaMonkey, Pale Moon AND GreaseMonkey ONLY! Disable (remove) copy text protection and allow copy for all sites.
WARNING: MAY BREAK PAGE or ADDONS FUNCTIONS.
NOTE! 'drag', 'dragend', 'dragstart' - when drag text, use alt + selection for text or add them to array
Links:
GreaseMonkey https://addons.mozilla.org/en-us/firefox/addon/greasemonkey/
