===================================================================
RCS file: /cvs/mandoc/man_macro.c,v
retrieving revision 1.140
retrieving revision 1.149
diff -u -p -r1.140 -r1.149
--- mandoc/man_macro.c	2018/12/31 07:08:12	1.140
+++ mandoc/man_macro.c	2023/10/24 20:53:12	1.149
@@ -1,7 +1,7 @@
-/*	$Id: man_macro.c,v 1.140 2018/12/31 07:08:12 schwarze Exp $ */
+/* $Id: man_macro.c,v 1.149 2023/10/24 20:53:12 schwarze Exp $ */
 /*
+ * Copyright (c) 2012-2015,2017-2020,2022 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2012-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -26,6 +26,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#if DEBUG_MEMORY
+#include "mandoc_dbg.h"
+#endif
 #include "mandoc.h"
 #include "roff.h"
 #include "man.h"
@@ -65,10 +68,10 @@ static const struct man_macro man_macros[MAN_MAX - MAN
 	{ in_line_eoln, 0 }, /* RI */
 	{ blk_close, MAN_XSCOPE }, /* RE */
 	{ blk_exp, MAN_XSCOPE }, /* RS */
-	{ in_line_eoln, 0 }, /* DT */
-	{ in_line_eoln, 0 }, /* UC */
+	{ in_line_eoln, MAN_NSCOPED }, /* DT */
+	{ in_line_eoln, MAN_NSCOPED }, /* UC */
 	{ in_line_eoln, MAN_NSCOPED }, /* PD */
-	{ in_line_eoln, 0 }, /* AT */
+	{ in_line_eoln, MAN_NSCOPED }, /* AT */
 	{ in_line_eoln, MAN_NSCOPED }, /* in */
 	{ blk_imp, MAN_XSCOPE }, /* SY */
 	{ blk_close, MAN_XSCOPE }, /* YS */
@@ -79,6 +82,7 @@ static const struct man_macro man_macros[MAN_MAX - MAN
 	{ blk_close, MAN_XSCOPE }, /* UE */
 	{ blk_exp, MAN_XSCOPE }, /* MT */
 	{ blk_close, MAN_XSCOPE }, /* ME */
+	{ in_line_eoln, 0 }, /* MR */
 };
 
 
@@ -107,9 +111,12 @@ man_unscope(struct roff_man *man, const struct roff_no
 				mandoc_msg(MANDOCERR_BLK_LINE,
 				    n->line, n->pos,
 				    "EOF breaks %s", roff_name[n->tok]);
-				if (man->flags & MAN_ELINE)
-					man->flags &= ~MAN_ELINE;
-				else {
+				if (man->flags & MAN_ELINE) {
+					if (n->parent->type == ROFFT_ROOT ||
+					    (man_macro(n->parent->tok)->flags &
+					    MAN_ESCOPED) == 0)
+						man->flags &= ~MAN_ELINE;
+				} else {
 					assert(n->type == ROFFT_HEAD);
 					n = n->parent;
 					man->flags &= ~MAN_BLINE;
@@ -297,8 +304,10 @@ blk_exp(MACRO_PROT_ARGS)
 	char		*p;
 	int		 la;
 
-	if (tok == MAN_RS)
+	if (tok == MAN_RS) {
 		rew_scope(man, tok);
+		man->flags |= ROFF_NONOFILL;
+	}
 	roff_block_alloc(man, line, ppos, tok);
 	head = roff_head_alloc(man, line, ppos, tok);
 
@@ -322,6 +331,7 @@ blk_exp(MACRO_PROT_ARGS)
 
 	man_unscope(man, head);
 	roff_body_alloc(man, line, ppos, tok);
+	man->flags &= ~ROFF_NONOFILL;
 }
 
 /*
@@ -338,6 +348,7 @@ blk_imp(MACRO_PROT_ARGS)
 	struct roff_node *n;
 
 	rew_scope(man, tok);
+	man->flags |= ROFF_NONOFILL;
 	if (tok == MAN_SH || tok == MAN_SS)
 		man->flags &= ~ROFF_NOFILL;
 	roff_block_alloc(man, line, ppos, tok);
@@ -369,6 +380,7 @@ blk_imp(MACRO_PROT_ARGS)
 
 	man_unscope(man, n);
 	roff_body_alloc(man, line, ppos, tok);
+	man->flags &= ~ROFF_NONOFILL;
 }
 
 void
@@ -381,6 +393,16 @@ in_line_eoln(MACRO_PROT_ARGS)
 	roff_elem_alloc(man, line, ppos, tok);
 	n = man->last;
 
+	if (tok == MAN_EX)
+		man->flags |= ROFF_NOFILL;
+	else if (tok == MAN_EE)
+		man->flags &= ~ROFF_NOFILL;
+
+#if DEBUG_MEMORY
+	if (tok == MAN_TH)
+		mandoc_dbg_name(buf);
+#endif
+
 	for (;;) {
 		if (buf[*pos] != '\0' && man->last != n && tok == MAN_PD) {
 			mandoc_msg(MANDOCERR_ARG_EXCESS, line, *pos,
@@ -424,7 +446,7 @@ in_line_eoln(MACRO_PROT_ARGS)
 	/* Rewind our element scope. */
 
 	for ( ; man->last; man->last = man->last->parent) {
-		man_state(man, man->last);
+		man->last->flags |= NODE_VALID;
 		if (man->last == n)
 			break;
 	}