Copy the [original] know almost "prohibited reproduced" the contents of notes - a simple solution based on oncopy listeners

Principle : Removes all oncopylisteners.

Use :
New bookmarks, address to:

javascript: getEventListeners(document).copy.forEach(({listener}) => document.removeEventListener('copy', listener))

Need to use, click on the bookmark to know almost page

PS is limited to taking notes, not for commercial use or reprint