May 8, 2008
Comma, too.
Working on a 900-plus-page novel at the office, and my proofreader has queried every instance of a comma-less “too”—i.e., “He laughed too,” as opposed to “He laughed, too.”
It depends on the style the author prefers, of course, plus my boss once instructed me not to globally add or remove such commas, as it really depends [...]

