===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/roff_escape.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -c -r1.7 -r1.8
*** src/usr.bin/mandoc/roff_escape.c	2022/06/02 11:28:16	1.7
--- src/usr.bin/mandoc/roff_escape.c	2022/06/02 14:49:25	1.8
***************
*** 1,4 ****
! /* $OpenBSD: roff_escape.c,v 1.7 2022/06/02 11:28:16 schwarze Exp $ */
  /*
   * Copyright (c) 2011, 2012, 2013, 2014, 2015, 2017, 2018, 2020, 2022
   *               Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /* $OpenBSD: roff_escape.c,v 1.8 2022/06/02 14:49:25 schwarze Exp $ */
  /*
   * Copyright (c) 2011, 2012, 2013, 2014, 2015, 2017, 2018, 2020, 2022
   *               Ingo Schwarze <schwarze@openbsd.org>
***************
*** 127,132 ****
--- 127,133 ----
  	case '\0':
  		iendarg = --iend;
  		/* FALLTHROUGH */
+ 	case '.':
  	case '\\':
  	default:
  		iarg--;
***************
*** 136,142 ****
  	case ' ':
  	case '\'':
  	case '-':
- 	case '.':
  	case '0':
  	case ':':
  	case '_':
--- 137,142 ----
***************
*** 481,487 ****
  		err = MANDOCERR_ESC_UNSUPP;
  		break;
  	case ESCAPE_UNDEF:
! 		if (buf[inam] == '\\')
  			return rval;
  		err = MANDOCERR_ESC_UNDEF;
  		break;
--- 481,487 ----
  		err = MANDOCERR_ESC_UNSUPP;
  		break;
  	case ESCAPE_UNDEF:
! 		if (buf[inam] == '\\' || buf[inam] == '.')
  			return rval;
  		err = MANDOCERR_ESC_UNDEF;
  		break;