Most copy words in firefox without opening link related news are at:
text2link.net
– About Text2Link
Text2Link 1.9.8 Released 13 Nov 2010 | 12:03 am
Text2Link version 1.9.8 is now available for public download from Mozilla. Change: Added Dutch localisation.
Text2Link 1.9.7 Released 21 Sep 2010 | 08:00 pm
Text2Link version 1.9.7 is now available for public download from Mozilla. Changes: Now compatible with Thunderbird 3. Added French and Turkish localisation.