diff options
Diffstat (limited to 'usr.bin/mandoc/man.c')
| -rw-r--r-- | usr.bin/mandoc/man.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/usr.bin/mandoc/man.c b/usr.bin/mandoc/man.c index ba7cdd8d386..c6ef632a5f7 100644 --- a/usr.bin/mandoc/man.c +++ b/usr.bin/mandoc/man.c @@ -1,4 +1,4 @@ -/* $OpenBSD: man.c,v 1.122 2017/06/03 15:54:09 schwarze Exp $ */ +/* $OpenBSD: man.c,v 1.123 2017/06/17 13:05:47 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org> @@ -74,6 +74,8 @@ static int man_ptext(struct roff_man *man, int line, char *buf, int offs) { int i; + const char *cp, *sp; + char *ep; /* Literal free-form text whitespace is preserved. */ @@ -87,19 +89,36 @@ man_ptext(struct roff_man *man, int line, char *buf, int offs) /* Skip leading whitespace. */ ; /* - * Blank lines are ignored in next line scope and right - * after headings but add a single vertical space elsewhere. + * Blank lines are ignored in next line scope + * and right after headings and cancel preceding \c, + * but add a single vertical space elsewhere. */ if (buf[i] == '\0') { - if (man->flags & (MAN_ELINE | MAN_BLINE)) + if (man->flags & (MAN_ELINE | MAN_BLINE)) { mandoc_msg(MANDOCERR_BLK_BLANK, man->parse, line, 0, NULL); - else if (man->last->tok != MAN_SH && - man->last->tok != MAN_SS) { - roff_elem_alloc(man, line, offs, ROFF_sp); - man->next = ROFF_NEXT_SIBLING; + return 1; } + if (man->last->tok == MAN_SH || man->last->tok == MAN_SS) + return 1; + switch (man->last->type) { + case ROFFT_TEXT: + sp = man->last->string; + cp = ep = strchr(sp, '\0') - 2; + if (cp < sp || cp[0] != '\\' || cp[1] != 'c') + break; + while (cp > sp && cp[-1] == '\\') + cp--; + if ((ep - cp) % 2) + break; + *ep = '\0'; + return 1; + default: + break; + } + roff_elem_alloc(man, line, offs, ROFF_sp); + man->next = ROFF_NEXT_SIBLING; return 1; } |