===================================================================
RCS file: /cvs/mandoc/mdoc_markdown.c,v
retrieving revision 1.8
retrieving revision 1.16
diff -u -p -r1.8 -r1.16
--- mandoc/mdoc_markdown.c	2017/03/07 15:31:24	1.8
+++ mandoc/mdoc_markdown.c	2017/04/17 12:53:29	1.16
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_markdown.c,v 1.8 2017/03/07 15:31:24 schwarze Exp $ */
+/*	$Id: mdoc_markdown.c,v 1.16 2017/04/17 12:53:29 schwarze Exp $ */
 /*
  * Copyright (c) 2017 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -43,6 +43,7 @@ static	void	 md_rawword(const char *);
 static	void	 md_word(const char *);
 static	void	 md_named(const char *);
 static	void	 md_char(unsigned char);
+static	void	 md_uri(const char *);
 
 static	int	 md_cond_head(struct roff_node *);
 static	int	 md_cond_body(struct roff_node *);
@@ -67,6 +68,7 @@ static	int	 md_pre_Fo(struct roff_node *);
 static	int	 md_pre_In(struct roff_node *);
 static	int	 md_pre_It(struct roff_node *);
 static	int	 md_pre_Lk(struct roff_node *);
+static	int	 md_pre_Mt(struct roff_node *);
 static	int	 md_pre_Nd(struct roff_node *);
 static	int	 md_pre_Nm(struct roff_node *);
 static	int	 md_pre_No(struct roff_node *);
@@ -211,7 +213,7 @@ static	const struct md_act md_acts[MDOC_MAX + 1] = {
 	{ NULL, NULL, md_post_Lb, NULL, NULL }, /* Lb */
 	{ NULL, md_pre_Pp, NULL, NULL, NULL }, /* Lp */
 	{ NULL, md_pre_Lk, NULL, NULL, NULL }, /* Lk */
-	{ NULL, md_pre_raw, md_post_raw, "<", ">" }, /* Mt */
+	{ NULL, md_pre_Mt, NULL, NULL, NULL }, /* Mt */
 	{ md_cond_body, md_pre_word, md_post_word, "{", "}" }, /* Brq */
 	{ md_cond_body, md_pre_word, md_post_word, "{", "}" }, /* Bro */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Brc */
@@ -244,7 +246,6 @@ static	int	 escflags; /* Escape in generated markdown 
 #define	ESC_BOL	 (1 << 0)  /* "#*+-" near the beginning of a line. */
 #define	ESC_NUM	 (1 << 1)  /* "." after a leading number. */
 #define	ESC_HYP	 (1 << 2)  /* "(" immediately after "]". */
-#define	ESC_PAR	 (1 << 3)  /* ")" when "(" is open. */
 #define	ESC_SQU	 (1 << 4)  /* "]" when "[" is open. */
 #define	ESC_FON	 (1 << 5)  /* "*" immediately after unrelated "*". */
 #define	ESC_EOL	 (1 << 6)  /* " " at the and of a line. */
@@ -375,6 +376,8 @@ md_stack(char c)
 static void
 md_preword(void)
 {
+	const char	*cp;
+
 	/*
 	 * If a list block is nested inside a code block or a blockquote,
 	 * blank lines for paragraph breaks no longer work; instead,
@@ -405,7 +408,11 @@ md_preword(void)
 
 	if (outflags & (MD_nl | MD_br | MD_sp)) {
 		putchar('\n');
-		fputs(md_stack('\0'), stdout);
+		for (cp = md_stack('\0'); *cp != '\0'; cp++) {
+			putchar(*cp);
+			if (*cp == '>')
+				putchar(' ');
+		}
 		outflags &= ~(MD_nl | MD_br | MD_sp);
 		escflags = ESC_BOL;
 		outcount = 0;
@@ -449,12 +456,6 @@ md_rawword(const char *s)
 
 	while (*s != '\0') {
 		switch(*s) {
-		case '(':
-			escflags |= ESC_PAR;
-			break;
-		case ')':
-			escflags |= ~ESC_PAR;
-			break;
 		case '*':
 			if (s[1] == '\0')
 				escflags |= ESC_FON;
@@ -529,7 +530,7 @@ md_word(const char *s)
 			bs = escflags & ESC_HYP && !code_blocks;
 			break;
 		case ')':
-			bs = escflags & ESC_PAR && !code_blocks;
+			bs = escflags & ESC_NUM && !code_blocks;
 			break;
 		case '*':
 		case '[':
@@ -700,6 +701,8 @@ md_pre_raw(struct roff_node *n)
 	if ((prefix = md_acts[n->tok].prefix) != NULL) {
 		md_rawword(prefix);
 		outflags &= ~MD_spc;
+		if (*prefix == '`')
+			code_blocks++;
 	}
 	return 1;
 }
@@ -712,6 +715,8 @@ md_post_raw(struct roff_node *n)
 	if ((suffix = md_acts[n->tok].suffix) != NULL) {
 		outflags &= ~(MD_spc | MD_nl);
 		md_rawword(suffix);
+		if (*suffix == '`')
+			code_blocks--;
 	}
 }
 
@@ -1145,7 +1150,8 @@ md_pre_It(struct roff_node *n)
 
 	case ROFFT_HEAD:
 		bln = n->parent->parent;
-		if (bln->norm->Bl.comp == 0)
+		if (bln->norm->Bl.comp == 0 &&
+		    bln->norm->Bl.type != LIST_column)
 			outflags |= MD_sp;
 		outflags |= MD_nl;
 
@@ -1171,9 +1177,14 @@ md_pre_It(struct roff_node *n)
 			break;
 		case LIST_enum:
 			md_preword();
-			printf("%d.\t", ++bln->norm->Bl.count);
+			if (bln->norm->Bl.count < 99)
+				bln->norm->Bl.count++;
+			printf("%d.\t", bln->norm->Bl.count);
 			escflags &= ~ESC_FON;
 			break;
+		case LIST_column:
+			outflags |= MD_br;
+			return 0;
 		default:
 			return 0;
 		}
@@ -1270,39 +1281,75 @@ md_post_Lb(struct roff_node *n)
 		outflags |= MD_br;
 }
 
+static void
+md_uri(const char *s)
+{
+	while (*s != '\0') {
+		if (strchr("%()<>", *s) != NULL) {
+			printf("%%%2.2hhX", *s);
+			outcount += 3;
+		} else {
+			putchar(*s);
+			outcount++;
+		}
+		s++;
+	}
+}
+
 static int
 md_pre_Lk(struct roff_node *n)
 {
 	const struct roff_node *link, *descr;
-	const unsigned char *s;
 
 	if ((link = n->child) == NULL)
 		return 0;
 
-	if ((descr = link->next) != NULL) {
-		md_rawword("[");
-		outflags &= ~MD_spc;
-		while (descr != NULL) {
-			md_word(descr->string);
-			descr = descr->next;
-		}
-		outflags &= ~MD_spc;
-		md_rawword("](");
-	} else
-		md_rawword("<");
+	/* Link text. */
+	descr = link->next;
+	if (descr == NULL || descr->flags & NODE_DELIMC)
+		descr = link;  /* no text */
+	md_rawword("[");
+	outflags &= ~MD_spc;
+	do {
+		md_word(descr->string);
+		descr = descr->next;
+	} while (descr != NULL && !(descr->flags & NODE_DELIMC));
+	outflags &= ~MD_spc;
 
-	for (s = link->string; *s != '\0'; s++) {
-		if (strchr("%)<>", *s) != NULL) {
-			printf("%%%2.2hhX", *s);
-			outcount += 3;
-		} else {
-			putchar(*s);
+	/* Link target. */
+	md_rawword("](");
+	md_uri(link->string);
+	outflags &= ~MD_spc;
+	md_rawword(")");
+
+	/* Trailing punctuation. */
+	while (descr != NULL) {
+		md_word(descr->string);
+		descr = descr->next;
+	}
+	return 0;
+}
+
+static int
+md_pre_Mt(struct roff_node *n)
+{
+	const struct roff_node *nch;
+
+	md_rawword("[");
+	outflags &= ~MD_spc;
+	for (nch = n->child; nch != NULL; nch = nch->next)
+		md_word(nch->string);
+	outflags &= ~MD_spc;
+	md_rawword("](mailto:");
+	for (nch = n->child; nch != NULL; nch = nch->next) {
+		md_uri(nch->string);
+		if (nch->next != NULL) {
+			putchar(' ');
 			outcount++;
 		}
 	}
-
 	outflags &= ~MD_spc;
-	md_rawword(link->next == NULL ? ">" : ")");
+	md_rawword(")");
 	return 0;
 }