Browsing Spanish translation

10.

The purpose of this License is to make a manual, textbook, or other written document <quote>free</quote> in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others.