=================================================================== RCS file: /cvs/mandoc/man.c,v retrieving revision 1.170 retrieving revision 1.173 diff -u -p -r1.170 -r1.173 --- mandoc/man.c 2017/04/29 12:45:41 1.170 +++ mandoc/man.c 2017/05/08 20:33:53 1.173 @@ -1,7 +1,7 @@ -/* $Id: man.c,v 1.170 2017/04/29 12:45:41 schwarze Exp $ */ +/* $Id: man.c,v 1.173 2017/05/08 20:33:53 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons - * Copyright (c) 2013, 2014, 2015 Ingo Schwarze + * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze * Copyright (c) 2011 Joerg Sonnenberger * * Permission to use, copy, modify, and distribute this software for any @@ -94,10 +94,11 @@ man_ptext(struct roff_man *man, int line, char *buf, i */ if (buf[i] == '\0') { + man_breakscope(man, ROFF_sp); /* Allocate a blank entry. */ if (man->last->tok != MAN_SH && man->last->tok != MAN_SS) { - roff_elem_alloc(man, line, offs, MAN_sp); + roff_elem_alloc(man, line, offs, ROFF_sp); man->next = ROFF_NEXT_SIBLING; } return 1; @@ -201,6 +202,20 @@ man_pmacro(struct roff_man *man, int ln, char *buf, in man_breakscope(man, tok); bline = man->flags & MAN_BLINE; + /* + * If the line in next-line scope ends with \c, keep the + * next-line scope open for the subsequent input line. + * That is not at all portable, only groff >= 1.22.4 + * does it, but *if* this weird idiom occurs in a manual + * page, that's very likely what the author intended. + */ + + if (bline) { + cp = strchr(buf + offs, '\0') - 2; + if (cp >= buf && cp[0] == '\\' && cp[1] == 'c') + bline = 0; + } + /* Call to handler... */ assert(man_macros[tok].fp); @@ -244,7 +259,7 @@ man_breakscope(struct roff_man *man, int tok) * Delete the element that is being broken. */ - if (man->flags & MAN_ELINE && (tok == TOKEN_NONE || + if (man->flags & MAN_ELINE && (tok < MAN_TH || ! (man_macros[tok].flags & MAN_NSCOPED))) { n = man->last; assert(n->type != ROFFT_TEXT); @@ -253,8 +268,7 @@ man_breakscope(struct roff_man *man, int tok) mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, n->pos, "%s breaks %s", - tok == TOKEN_NONE ? "TS" : roff_name[tok], - roff_name[n->tok]); + roff_name[tok], roff_name[n->tok]); roff_node_delete(man, n); man->flags &= ~MAN_ELINE; @@ -280,7 +294,7 @@ man_breakscope(struct roff_man *man, int tok) * Delete the block that is being broken. */ - if (man->flags & MAN_BLINE && (tok == TOKEN_NONE || + if (man->flags & MAN_BLINE && (tok < MAN_TH || man_macros[tok].flags & MAN_BSCOPE)) { n = man->last; if (n->type == ROFFT_TEXT) @@ -295,8 +309,7 @@ man_breakscope(struct roff_man *man, int tok) mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, n->pos, "%s breaks %s", - tok == TOKEN_NONE ? "TS" : roff_name[tok], - roff_name[n->tok]); + roff_name[tok], roff_name[n->tok]); roff_node_delete(man, n); man->flags &= ~MAN_BLINE;