===================================================================
RCS file: /cvs/docbook2mdoc/docbook2mdoc.c,v
retrieving revision 1.110
retrieving revision 1.115
diff -u -p -r1.110 -r1.115
--- docbook2mdoc/docbook2mdoc.c	2019/04/12 11:19:31	1.110
+++ docbook2mdoc/docbook2mdoc.c	2019/04/12 21:37:07	1.115
@@ -1,4 +1,4 @@
-/* $Id: docbook2mdoc.c,v 1.110 2019/04/12 11:19:31 schwarze Exp $ */
+/* $Id: docbook2mdoc.c,v 1.115 2019/04/12 21:37:07 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) {
@@ -192,7 +198,7 @@ pnode_printrefsynopsisdiv(struct format *f, struct pno
 static void
 pnode_printrefsect(struct format *f, struct pnode *n)
 {
-	struct pnode	*nc;
+	struct pnode	*nc, *ncc;
 	const char	*title;
 	int		 flags, level;
 
@@ -264,12 +270,24 @@ pnode_printrefsect(struct format *f, struct pnode *n)
 		break;
 	}
 
-	if (nc != NULL) {
+	if (nc != NULL)
 		macro_addnode(f, nc, flags);
-		pnode_unlink(nc);
-	} else
+	else
 		macro_addarg(f, title, flags | ARG_QUOTED);
 	macro_close(f);
+
+	/*
+	 * DocBook has no equivalent for -split mode,
+	 * so just switch the default in the AUTHORS section.
+	 */
+
+	if (nc != NULL) {
+		ncc = TAILQ_FIRST(&nc->childq);
+		if (ncc != NULL && ncc->node == NODE_TEXT &&
+		    strcasecmp(ncc->b, "AUTHORS") == 0)
+			macro_line(f, "An -nosplit");
+		pnode_unlink(nc);
+	}
 }
 
 /*
@@ -575,7 +593,8 @@ pnode_printauthor(struct format *f, struct pnode *n)
 
 	if ((nc = pnode_findfirst(n, NODE_EMAIL)) != NULL) {
 		f->flags |= FMT_CHILD;
-		pnode_print(f, nc);
+		macro_open(f, "Aq Mt");
+		macro_addnode(f, nc, ARG_SPACE);
 		pnode_unlink(nc);
 	}
 
@@ -657,12 +676,6 @@ 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");
-	}
 }
 
 /*
@@ -836,12 +849,12 @@ 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
@@ -880,11 +893,15 @@ 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:
-		macro_open(f, "Aq Mt");
+		if (was_impl)
+			macro_open(f, "Ao Mt");
+		else {
+			macro_open(f, "Aq Mt");
+			f->flags |= FMT_IMPL;
+		}
 		break;
 	case NODE_EMPHASIS:
 	case NODE_FIRSTTERM:
@@ -910,13 +927,11 @@ 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;
@@ -930,7 +945,12 @@ 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);
@@ -973,7 +993,12 @@ 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:
@@ -1047,6 +1072,13 @@ pnode_print(struct format *f, struct pnode *n)
 		pnode_print(f, nc);
 
 	switch (n->node) {
+	case NODE_EMAIL:
+		if (was_impl) {
+			f->flags &= ~FMT_NOSPC;
+			macro_open(f, "Ac");
+		} else
+			f->flags &= ~FMT_IMPL;
+		break;
 	case NODE_ESCAPE:
 	case NODE_TERM:
 	case NODE_TEXT:
@@ -1054,11 +1086,18 @@ 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) {
+			f->flags &= ~FMT_NOSPC;
+			macro_open(f, "Sc");
+		} else
+			f->flags &= ~FMT_IMPL;
+		break;
 	case NODE_MEMBER:
 		if ((nn = TAILQ_NEXT(n, child)) != NULL &&
 		    nn->node != NODE_MEMBER)
@@ -1086,12 +1125,11 @@ 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) {
+			f->flags &= ~FMT_NOSPC;
+			macro_open(f, "Dc");
+		} else
+			f->flags &= ~FMT_IMPL;
 		break;
 	case NODE_PREFACE:
 	case NODE_SECTION:
@@ -1122,7 +1160,7 @@ pnode_print(struct format *f, struct pnode *n)
 }
 
 void
-ptree_print(struct ptree *tree)
+ptree_print_mdoc(struct ptree *tree)
 {
 	struct format	 formatter;