===================================================================
RCS file: /cvs/mandoc/mdoc_markdown.c,v
retrieving revision 1.36
retrieving revision 1.40
diff -u -p -r1.36 -r1.40
--- mandoc/mdoc_markdown.c	2020/06/22 19:20:40	1.36
+++ mandoc/mdoc_markdown.c	2025/06/26 17:06:34	1.40
@@ -1,6 +1,6 @@
-/* $Id: mdoc_markdown.c,v 1.36 2020/06/22 19:20:40 schwarze Exp $ */
+/* $Id: mdoc_markdown.c,v 1.40 2025/06/26 17:06:34 schwarze Exp $ */
 /*
- * Copyright (c) 2017, 2018, 2020 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2017, 2018, 2020, 2025 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -85,6 +85,7 @@ static	int	 md_pre_Sh(struct roff_node *);
 static	int	 md_pre_Sm(struct roff_node *);
 static	int	 md_pre_Vt(struct roff_node *);
 static	int	 md_pre_Xr(struct roff_node *);
+static	int	 md_pre__R(struct roff_node *);
 static	int	 md_pre__T(struct roff_node *);
 static	int	 md_pre_br(struct roff_node *);
 
@@ -159,7 +160,7 @@ static	const struct md_act md_acts[MDOC_MAX - MDOC_Dd]
 	{ NULL, NULL, md_post_pc, NULL, NULL }, /* %N */
 	{ NULL, NULL, md_post_pc, NULL, NULL }, /* %O */
 	{ NULL, NULL, md_post_pc, NULL, NULL }, /* %P */
-	{ NULL, NULL, md_post_pc, NULL, NULL }, /* %R */
+	{ NULL, md_pre__R, md_post_pc, NULL, NULL }, /* %R */
 	{ NULL, md_pre__T, md_post__T, NULL, NULL }, /* %T */
 	{ NULL, NULL, md_post_pc, NULL, NULL }, /* %V */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Ac */
@@ -291,6 +292,14 @@ markdown_mdoc(void *arg, const struct roff_meta *mdoc)
 	md_word(mdoc->os);
 	md_word("-");
 	md_word(mdoc->date);
+	md_word("-");
+	md_word(mdoc->title);
+	if (mdoc->msec != NULL) {
+		outflags &= ~MD_spc;
+		md_word("(");
+		md_word(mdoc->msec);
+		md_word(")");
+	}
 	putchar('\n');
 }
 
@@ -603,16 +612,18 @@ md_word(const char *s)
 				md_rawword("markdown");
 				continue;
 			case ESCAPE_FONTBOLD:
+			case ESCAPE_FONTCB:
 				nextfont = "**";
 				break;
 			case ESCAPE_FONTITALIC:
+			case ESCAPE_FONTCI:
 				nextfont = "*";
 				break;
 			case ESCAPE_FONTBI:
 				nextfont = "***";
 				break;
 			case ESCAPE_FONT:
-			case ESCAPE_FONTCW:
+			case ESCAPE_FONTCR:
 			case ESCAPE_FONTROMAN:
 				nextfont = "";
 				break;
@@ -748,7 +759,7 @@ md_pre_raw(struct roff_node *n)
 	if ((prefix = md_act(n->tok)->prefix) != NULL) {
 		md_rawword(prefix);
 		outflags &= ~MD_spc;
-		if (*prefix == '`')
+		if (strchr(prefix, '`') != NULL)
 			code_blocks++;
 	}
 	return 1;
@@ -762,7 +773,7 @@ md_post_raw(struct roff_node *n)
 	if ((suffix = md_act(n->tok)->suffix) != NULL) {
 		outflags &= ~(MD_spc | MD_nl);
 		md_rawword(suffix);
-		if (*suffix == '`')
+		if (strchr(suffix, '`') != NULL)
 			code_blocks--;
 	}
 }
@@ -1575,6 +1586,34 @@ md_pre_Xr(struct roff_node *n)
 	md_word("(");
 	md_node(n);
 	md_word(")");
+	return 0;
+}
+
+static int
+md_pre__R(struct roff_node *n)
+{
+	const unsigned char	*cp;
+	const char		*arg;
+
+	arg = n->child->string;
+
+	if (strncmp(arg, "RFC ", 4) != 0)
+		return 1;
+	cp = arg += 4;
+	while (isdigit(*cp))
+		cp++;
+	if (*cp != '\0')
+		return 1;
+
+	md_rawword("[RFC ");
+	outflags &= ~MD_spc;
+	md_rawword(arg);
+	outflags &= ~MD_spc;
+	md_rawword("](http://www.rfc-editor.org/rfc/rfc");
+	outflags &= ~MD_spc;
+	md_rawword(arg);
+	outflags &= ~MD_spc;
+	md_rawword(".html)");
 	return 0;
 }