what is Rev marking and editor styles plugins in aem guides

[dh54220]

what is rev marking in aem guides 

[AswiniLakshminarayanan · Accepted solution]

Are you referring to revision marking? If yes, In guides you can track changes in web editor using "Track changes" option in web editor tool bar or Changes in the version will be shown automatically on switching to older versions in the "version history" option in toolbar.