ESC-O(1) General Commands Manual ESC-O(1) NNAAMMEE eesscc--oo - the roff escape o sequence: overstrike DDEESSCCRRIIPPTTIIOONN empty: xx one character: x|x wide/narrow: xO|x narrow/wide: x|Ox wide/narrow/narrow: xO-|x narrow/narrow/wide: x|-Ox OpenBSD July 4, 2017 OpenBSD