Original sentence: Other original features include multiple document browsing (as well as the more limited tabbed browsing), background loading of pages, batch opening of bookmark folders, fast forward and rewind functions which predict where you would surf next, notes, skins, and session management (save groups of pages to be opened later).Since version 7.0, Opera also support access keys.The new version will, among other things, hold SVG Tiny support and allow the user to create his own JavaScripts to run in any page
Edited sentence: (Purchasers of Opera 7 are entitled to a free upgrade.As the later Firefox versions were released on the tail of Opera 7.5, the release of Opera 8 will likely become a welcome publicity boost for Opera.Other original features include  multiple document browsing (as well as the more limited tabbed browsing), background loading of pages, batch opening of bookmark folders, fast forward and rewind functions which predict where you would surf next, notes, skins, and session management (save groups of pages to be opened later).Since version 7.0, Opera also support Access keys.The new version will, among other things, hold SVG Tiny support and allow the user to create his own Javascripts to run in  any page