CC Madhya 9.325

rāyera ānanda haila pustaka pāiyā
prabhu-saha āsvādila, rākhila likhiyā
Word for word: 
rāyera — of Rāya Rāmānanda; ānanda — happiness; haila — there was; pustaka pāiyā — getting those two books; prabhu-saha — with the Lord; āsvādila — tasted; rākhila — kept; likhiyā — writing.
Translation: 
Rāmānanda Rāya was very happy to receive these books. He tasted their contents along with the Lord and made a copy of each.