===================================================================
RCS file: /cvs/docbook2mdoc/docbook2mdoc.c,v
retrieving revision 1.109
retrieving revision 1.114
diff -u -p -r1.109 -r1.114
--- docbook2mdoc/docbook2mdoc.c	2019/04/12 10:34:48	1.109
+++ docbook2mdoc/docbook2mdoc.c	2019/04/12 19:14:50	1.114
@@ -1,4 +1,4 @@
-/* $Id: docbook2mdoc.c,v 1.109 2019/04/12 10:34:48 schwarze Exp $ */
+/* $Id: docbook2mdoc.c,v 1.114 2019/04/12 19:14:50 schwarze Exp $ */
 /*
  * Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org>
@@ -70,12 +70,18 @@ pnode_printtext(struct format *f, struct pnode *n)
 	 */
 
 	if (f->linestate != LINE_MACRO &&
-	    (nn = TAILQ_NEXT(n, child)) != NULL && nn->spc == 0 &&
-	    (nn->node != NODE_TEXT && nn->node != NODE_ESCAPE)) {
-		macro_open(f, "Pf");
-		accept_arg = 1;
-		f->flags |= FMT_CHILD;
-		nn->spc = 1;
+	    (nn = TAILQ_NEXT(n, child)) != NULL && nn->spc == 0) {
+		switch (pnode_class(nn->node)) {
+		case CLASS_LINE:
+		case CLASS_ENCL:
+			macro_open(f, "Pf");
+			accept_arg = 1;
+			f->flags |= FMT_CHILD;
+			nn->spc = 1;
+			break;
+		default:
+			break;
+		}
 	}
 
 	switch (f->linestate) {
@@ -150,6 +156,27 @@ pnode_printpara(struct format *f, struct pnode *n)
 	macro_line(f, "Pp");
 }
 
+static void
+pnode_printrefnamediv(struct format *f, struct pnode *n)
+{
+	struct pnode	*nc, *nn;
+	int		 comma;
+
+	macro_line(f, "Sh NAME");
+	comma = 0;
+	TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
+		if (nc->node != NODE_REFNAME)
+			continue;
+		if (comma)
+			macro_addarg(f, ",", ARG_SPACE);
+		macro_open(f, "Nm");
+		macro_addnode(f, nc, ARG_SPACE);
+		pnode_unlink(nc);
+		comma = 1;
+	}
+	macro_close(f);
+}
+
 /*
  * If the SYNOPSIS macro has a superfluous title, kill it.
  */
@@ -636,12 +663,6 @@ pnode_printprologue(struct format *f, struct ptree *tr
 	} else
 		pnode_printrefmeta(f, refmeta);
 	macro_line(f, "Os");
-
-	if (tree->flags & TREE_EQN) {
-		macro_line(f, "EQ");
-		print_text(f, "delim $$", 0);
-		macro_line(f, "EN");
-	}
 }
 
 /*
@@ -815,12 +836,12 @@ static void
 pnode_print(struct format *f, struct pnode *n)
 {
 	struct pnode	*nc, *nn;
-	enum linestate	 sv;
+	int		 was_impl;
 
 	if (n == NULL)
 		return;
 
-	sv = f->linestate;
+	was_impl = f->flags & FMT_IMPL;
 	if (n->spc)
 		f->flags &= ~FMT_NOSPC;
 	else
@@ -859,7 +880,6 @@ pnode_print(struct format *f, struct pnode *n)
 		break;
 	case NODE_EDITOR:
 		print_text(f, "editor:", ARG_SPACE);
-		sv = LINE_TEXT;
 		macro_open(f, "An");
 		break;
 	case NODE_EMAIL:
@@ -889,13 +909,11 @@ pnode_print(struct format *f, struct pnode *n)
 		macro_open(f, "Fd");
 		break;
 	case NODE_INFORMALEQUATION:
+		macro_line(f, "Bd -ragged -offset indent");
+		/* FALLTHROUGH */
+	case NODE_INLINEEQUATION:
 		macro_line(f, "EQ");
 		break;
-	case NODE_INLINEEQUATION:
-		if (f->linestate == LINE_NEW)
-			f->linestate = LINE_TEXT;
-		putchar('$');
-		break;
 	case NODE_ITEMIZEDLIST:
 		pnode_printlist(f, n);
 		break;
@@ -909,7 +927,12 @@ pnode_print(struct format *f, struct pnode *n)
 		pnode_printlink(f, n);
 		break;
 	case NODE_LITERAL:
-		macro_open(f, "Ql");
+		if (was_impl)
+			macro_open(f, "So");
+		else {
+			macro_open(f, "Ql");
+			f->flags |= FMT_IMPL;
+		}
 		break;
 	case NODE_LITERALLAYOUT:
 		macro_close(f);
@@ -952,7 +975,12 @@ pnode_print(struct format *f, struct pnode *n)
 		pnode_unlinksub(n);
 		break;
 	case NODE_QUOTE:
-		macro_open(f, "Qo");
+		if (was_impl)
+			macro_open(f, "Do");
+		else {
+			macro_open(f, "Dq");
+			f->flags |= FMT_IMPL;
+		}
 		break;
 	case NODE_PROGRAMLISTING:
 	case NODE_SCREEN:
@@ -964,13 +992,11 @@ pnode_print(struct format *f, struct pnode *n)
 		pnode_unlinksub(n);
 		break;
 	case NODE_REFNAME:
-		/* Suppress non-text children... */
+		/* More often, these appear inside NODE_REFNAMEDIV. */
 		macro_open(f, "Nm");
-		macro_addnode(f, n, ARG_SPACE | ARG_SINGLE);
-		pnode_unlinksub(n);
 		break;
 	case NODE_REFNAMEDIV:
-		macro_line(f, "Sh NAME");
+		pnode_printrefnamediv(f, n);
 		break;
 	case NODE_REFPURPOSE:
 		macro_open(f, "Nd");
@@ -1035,11 +1061,17 @@ pnode_print(struct format *f, struct pnode *n)
 		return;
 	case NODE_INFORMALEQUATION:
 		macro_line(f, "EN");
+		macro_line(f, "Ed");
 		break;
 	case NODE_INLINEEQUATION:
-		fputs("$ ", stdout);
-		f->linestate = sv;
+		macro_line(f, "EN");
 		break;
+	case NODE_LITERAL:
+		if (was_impl)
+			macro_open(f, "Sc");
+		else
+			f->flags &= ~FMT_IMPL;
+		break;
 	case NODE_MEMBER:
 		if ((nn = TAILQ_NEXT(n, child)) != NULL &&
 		    nn->node != NODE_MEMBER)
@@ -1067,27 +1099,11 @@ pnode_print(struct format *f, struct pnode *n)
 		fputs(" } ", stdout);
 		break;
 	case NODE_QUOTE:
-		if (sv == LINE_NEW)
-			macro_close(f);
-		sv = f->linestate;
-		macro_open(f, "Qc");
-		if (sv == LINE_NEW)
-			macro_close(f);
+		if (was_impl)
+			macro_open(f, "Dc");
+		else
+			f->flags &= ~FMT_IMPL;
 		break;
-	case NODE_REFNAME:
-		/*
-		 * If we're in the NAME macro and we have multiple
-		 * <refname> macros in sequence, then print out a
-		 * trailing comma before the newline.
-		 */
-		if (n->parent != NULL &&
-		    n->parent->node == NODE_REFNAMEDIV &&
-		    TAILQ_NEXT(n, child) != NULL &&
-		    TAILQ_NEXT(n, child)->node == NODE_REFNAME)
-			macro_addarg(f, ",", ARG_SPACE);
-		if (sv == LINE_NEW)
-			macro_close(f);
-		break;
 	case NODE_PREFACE:
 	case NODE_SECTION:
 	case NODE_APPENDIX:
@@ -1117,7 +1133,7 @@ pnode_print(struct format *f, struct pnode *n)
 }
 
 void
-ptree_print(struct ptree *tree)
+ptree_print_mdoc(struct ptree *tree)
 {
 	struct format	 formatter;