Does the Anthon episode date 2 Nephi 27?

Ryan Thomas argues that 2 Nephi 27 adapts KJV Isaiah 29 to Martin Harris’s 1828 visit to Charles Anthon, then treats the match as evidence the passage was composed after that visit. Compare the passages and the accounts before deciding what the evidence can date.

Exchange 1 of 3

“What happens when you compare Isaiah 29:11–12 with 2 Nephi 27:15–22?”