atom/vim-mode — pull request #356 by tristil (2014-07-23 20:51:00+00:00)
Title: Don't store \n in register on 'o' or 'O'

An 'o' or 'O' would cause a newline to be deleted and sent to the " register,
wiping out a prior yank. This would interfere with a common pattern of 'y, y,
, o, p'