Dreamweaver Reference O'reilly Cannot Copy

i use dreamweaver frequently to create my website and to learn about some function i am not familiar.

so today i wanted to copy and paste some sample code but it wouldn't let me

the reason why it would not it was because i had docked the reference panel outside of the dreamweaver windows. once i attached it, i was able to

i am just posting here just incase there is someone else who can't copy the text from the o'reilly reference that comes with dreamweaver