ESC-A1(1)                   General Commands Manual                  ESC-A1(1)

NNAAMMEE
     eesscc--AA11 - the roff escape A sequence: identifier syntax validation

DDEESSCCRRIIPPTTIIOONN
     empty: 0
     letters: 1
     blank: 0
     ASCII non-letters: 1
     invalid escapes: 1

   AArrgguummeenntt ddeelliimmiitteerrss
     unsupported \r: 1u
     ignored \&: 1u
     useless \.: 1u
     invalid \G: 1u
     special \-: 1u
     break \p: 1u
     nospace \c: 1u
     string expansion: 1u
     register expansion: 1u
     ignored \ON: 1u
     special character: 1u
     ignored \Z'str': 1u
     horizontal motion: 1u
     horizontal line: 1u
     overstrike: 1u
     unterminated: 1

OpenBSD                          June 8, 2022                          OpenBSD