Well, they have to make it publicaly copiable. They based it on web kit which is based off on KHTML/KJS which was opensource under GPL license, meaning they are legally required to license their product under GPL too, and offer the source code.
Well, they have to make it publicaly copiable. They based it on web kit which is based off on KHTML/KJS which was opensource under GPL license, meaning they are legally required to license their product under GPL too, and offer the source code.