Read the earliest version of the Book of Mormon, compared to the 2017 on-line edition. Each difference is marked in RED, including punctuation, hyphens, and verse breaks; indeed, every change.
The LDS Church proclaims the Book of Mormon was dictated by Joseph Smith through divine providence. Thus, viewing the most original version should help us understand exactly what God told him.
Forthcoming: GREEN text identifies excerpts from the 1830 printed edition (Helaman 13:17 through Mormon), which were ‘most likely’ typeset from the OM, as opposed to the PM.