From e00c497f98e897ea30cb2e7a41f009c5272a234f Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Sun, 8 Jul 2012 16:52:20 +0000
Subject: implement -Tman .An also reset -[no]split mode at .Sh AUTHORS in
 -Tascii OpenBSD rev. 1.20 and 1.141, respectively

---
 mdoc_man.c | 32 ++++++++++++++++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

(limited to 'mdoc_man.c')

diff --git a/mdoc_man.c b/mdoc_man.c
index deea181c..0e0516a9 100644
--- a/mdoc_man.c
+++ b/mdoc_man.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_man.c,v 1.21 2012/07/08 15:48:13 schwarze Exp $ */
+/*	$Id: mdoc_man.c,v 1.22 2012/07/08 16:52:20 schwarze Exp $ */
 /*
  * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -56,6 +56,7 @@ static	void	  post_pf(DECL_ARGS);
 static	void	  post_sect(DECL_ARGS);
 static	void	  post_sp(DECL_ARGS);
 static	void	  post_vt(DECL_ARGS);
+static	int	  pre_an(DECL_ARGS);
 static	int	  pre_ap(DECL_ARGS);
 static	int	  pre_bd(DECL_ARGS);
 static	int	  pre_bk(DECL_ARGS);
@@ -97,7 +98,7 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, NULL, NULL, NULL, NULL }, /* El */
 	{ NULL, pre_it, NULL, NULL, NULL }, /* _It */
 	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ad */
-	{ NULL, NULL, NULL, NULL, NULL }, /* _An */
+	{ NULL, pre_an, NULL, NULL, NULL }, /* An */
 	{ NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */
 	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cd */
 	{ NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */
@@ -220,6 +221,8 @@ static	int		outflags;
 #define	MMAN_sp		(1 << 3)
 #define	MMAN_Sm		(1 << 4)
 #define	MMAN_Bk		(1 << 5)
+#define	MMAN_An_split	(1 << 6)
+#define	MMAN_An_nosplit	(1 << 7)
 
 static void
 print_word(const char *s)
@@ -481,6 +484,31 @@ post_sect(DECL_ARGS)
 	outflags &= ~MMAN_spc;
 	print_word("\"");
 	outflags |= MMAN_nl;
+	if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
+		outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
+}
+
+static int
+pre_an(DECL_ARGS)
+{
+
+	switch (n->norm->An.auth) {
+	case (AUTH_split):
+		outflags &= ~MMAN_An_nosplit;
+		outflags |= MMAN_An_split;
+		return(0);
+	case (AUTH_nosplit):
+		outflags &= ~MMAN_An_split;
+		outflags |= MMAN_An_nosplit;
+		return(0);
+	default:
+		if (MMAN_An_split & outflags)
+			outflags |= MMAN_br;
+		else if (SEC_AUTHORS == n->sec &&
+		    ! (MMAN_An_nosplit & outflags))
+			outflags |= MMAN_An_split;
+		return(1);
+	}
 }
 
 static int
-- 
cgit v1.2.3-56-ge451