X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/66611c2a2aece81705e614fe7d87b9abe3495b7c..3f3598dbafb3e0fcfc9a097c8e1500d63cf9e609:/man_html.c

diff --git a/man_html.c b/man_html.c
index fe79390c..5df9e469 100644
--- a/man_html.c
+++ b/man_html.c
@@ -1,6 +1,7 @@
-/*	$Id: man_html.c,v 1.76 2011/07/03 22:57:32 kristaps Exp $ */
+/*	$Id: man_html.c,v 1.95 2014/04/23 16:08:33 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2013, 2014 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
@@ -27,6 +28,7 @@
 #include <string.h>
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "out.h"
 #include "html.h"
 #include "man.h"
@@ -36,9 +38,8 @@
 /* FIXME: have PD set the default vspace width. */
 
 #define	INDENT		  5
-#define	HALFINDENT	  3
 
-#define	MAN_ARGS	  const struct man_meta *m, \
+#define	MAN_ARGS	  const struct man_meta *man, \
 			  const struct man_node *n, \
 			  struct mhtml *mh, \
 			  struct html *h
@@ -53,32 +54,32 @@ struct	htmlman {
 	int		(*post)(MAN_ARGS);
 };
 
-static	void		  print_bvspace(struct html *, 
+static	void		  print_bvspace(struct html *,
 				const struct man_node *);
 static	void		  print_man(MAN_ARGS);
 static	void		  print_man_head(MAN_ARGS);
 static	void		  print_man_nodelist(MAN_ARGS);
 static	void		  print_man_node(MAN_ARGS);
-
 static	int		  a2width(const struct man_node *,
 				struct roffsu *);
-
-static	int		  man_alt_pre(MAN_ARGS);
-static	int		  man_br_pre(MAN_ARGS);
-static	int		  man_ign_pre(MAN_ARGS);
-static	int		  man_in_pre(MAN_ARGS);
-static	int		  man_literal_pre(MAN_ARGS);
-static	void		  man_root_post(MAN_ARGS);
-static	void		  man_root_pre(MAN_ARGS);
 static	int		  man_B_pre(MAN_ARGS);
 static	int		  man_HP_pre(MAN_ARGS);
-static	int		  man_I_pre(MAN_ARGS);
 static	int		  man_IP_pre(MAN_ARGS);
+static	int		  man_I_pre(MAN_ARGS);
+static	int		  man_OP_pre(MAN_ARGS);
 static	int		  man_PP_pre(MAN_ARGS);
 static	int		  man_RS_pre(MAN_ARGS);
 static	int		  man_SH_pre(MAN_ARGS);
 static	int		  man_SM_pre(MAN_ARGS);
 static	int		  man_SS_pre(MAN_ARGS);
+static	int		  man_UR_pre(MAN_ARGS);
+static	int		  man_alt_pre(MAN_ARGS);
+static	int		  man_br_pre(MAN_ARGS);
+static	int		  man_ign_pre(MAN_ARGS);
+static	int		  man_in_pre(MAN_ARGS);
+static	int		  man_literal_pre(MAN_ARGS);
+static	void		  man_root_post(MAN_ARGS);
+static	void		  man_root_pre(MAN_ARGS);
 
 static	const struct htmlman mans[MAN_MAX] = {
 	{ man_br_pre, NULL }, /* br */
@@ -90,7 +91,7 @@ static	const struct htmlman mans[MAN_MAX] = {
 	{ man_PP_pre, NULL }, /* PP */
 	{ man_PP_pre, NULL }, /* P */
 	{ man_IP_pre, NULL }, /* IP */
-	{ man_HP_pre, NULL }, /* HP */ 
+	{ man_HP_pre, NULL }, /* HP */
 	{ man_SM_pre, NULL }, /* SM */
 	{ man_SM_pre, NULL }, /* SB */
 	{ man_alt_pre, NULL }, /* BI */
@@ -114,8 +115,15 @@ static	const struct htmlman mans[MAN_MAX] = {
 	{ man_ign_pre, NULL }, /* AT */
 	{ man_in_pre, NULL }, /* in */
 	{ man_ign_pre, NULL }, /* ft */
+	{ man_OP_pre, NULL }, /* OP */
+	{ man_literal_pre, NULL }, /* EX */
+	{ man_literal_pre, NULL }, /* EE */
+	{ man_UR_pre, NULL }, /* UR */
+	{ NULL, NULL }, /* UE */
+	{ man_ign_pre, NULL }, /* ll */
 };
 
+
 /*
  * Printing leading vertical space before a block.
  * This is used for the paragraph macros.
@@ -140,77 +148,73 @@ print_bvspace(struct html *h, const struct man_node *n)
 }
 
 void
-html_man(void *arg, const struct man *m)
+html_man(void *arg, const struct man *man)
 {
-	struct html	*h;
-	struct tag	*t;
 	struct mhtml	 mh;
 
-	h = (struct html *)arg;
-
-	print_gen_decls(h);
-
 	memset(&mh, 0, sizeof(struct mhtml));
-
-	t = print_otag(h, TAG_HTML, 0, NULL);
-	print_man(man_meta(m), man_node(m), &mh, h);
-	print_tagq(h, t);
-
-	printf("\n");
+	print_man(man_meta(man), man_node(man), &mh, (struct html *)arg);
+	putchar('\n');
 }
 
 static void
-print_man(MAN_ARGS) 
+print_man(MAN_ARGS)
 {
-	struct tag	*t;
+	struct tag	*t, *tt;
+	struct htmlpair	 tag;
 
-	t = print_otag(h, TAG_HEAD, 0, NULL);
-	print_man_head(m, n, mh, h);
-	print_tagq(h, t);
+	PAIR_CLASS_INIT(&tag, "mandoc");
 
-	t = print_otag(h, TAG_BODY, 0, NULL);
-	print_man_nodelist(m, n, mh, h);
+	if ( ! (HTML_FRAGMENT & h->oflags)) {
+		print_gen_decls(h);
+		t = print_otag(h, TAG_HTML, 0, NULL);
+		tt = print_otag(h, TAG_HEAD, 0, NULL);
+		print_man_head(man, n, mh, h);
+		print_tagq(h, tt);
+		print_otag(h, TAG_BODY, 0, NULL);
+		print_otag(h, TAG_DIV, 1, &tag);
+	} else
+		t = print_otag(h, TAG_DIV, 1, &tag);
+
+	print_man_nodelist(man, n, mh, h);
 	print_tagq(h, t);
 }
 
-
-/* ARGSUSED */
 static void
 print_man_head(MAN_ARGS)
 {
 
 	print_gen_head(h);
-	bufcat_fmt(h, "%s(%s)", m->title, m->msec);
+	assert(man->title);
+	assert(man->msec);
+	bufcat_fmt(h, "%s(%s)", man->title, man->msec);
 	print_otag(h, TAG_TITLE, 0, NULL);
 	print_text(h, h->buf);
 }
 
-
 static void
 print_man_nodelist(MAN_ARGS)
 {
 
-	print_man_node(m, n, mh, h);
+	print_man_node(man, n, mh, h);
 	if (n->next)
-		print_man_nodelist(m, n->next, mh, h);
+		print_man_nodelist(man, n->next, mh, h);
 }
 
-
 static void
 print_man_node(MAN_ARGS)
 {
 	int		 child;
 	struct tag	*t;
-	struct htmlpair	 tag;
 
 	child = 1;
 	t = h->tags.head;
 
 	switch (n->type) {
-	case (MAN_ROOT):
-		man_root_pre(m, n, mh, h);
+	case MAN_ROOT:
+		man_root_pre(man, n, mh, h);
 		break;
-	case (MAN_TEXT):
+	case MAN_TEXT:
 		/*
 		 * If we have a blank line, output a vertical space.
 		 * If we have a space as the first character, break
@@ -219,29 +223,19 @@ print_man_node(MAN_ARGS)
 		if ('\0' == *n->string) {
 			print_otag(h, TAG_P, 0, NULL);
 			return;
-		} else if (' ' == *n->string && MAN_LINE & n->flags)
+		}
+
+		if (' ' == *n->string && MAN_LINE & n->flags)
+			print_otag(h, TAG_BR, 0, NULL);
+		else if (MANH_LITERAL & mh->fl && n->prev)
 			print_otag(h, TAG_BR, 0, NULL);
 
 		print_text(h, n->string);
-
-		/*
-		 * If we're in a literal context, make sure that words
-		 * togehter on the same line stay together.  This is a
-		 * POST-printing call, so we check the NEXT word.  Since
-		 * -man doesn't have nested macros, we don't need to be
-		 * more specific than this.
-		 */
-		if (MANH_LITERAL & mh->fl &&
-				(NULL == n->next ||
-				 n->next->line > n->line))
-			print_otag(h, TAG_BR, 0, NULL);
 		return;
-	case (MAN_EQN):
-		PAIR_CLASS_INIT(&tag, "eqn");
-		print_otag(h, TAG_SPAN, 1, &tag);
-		print_text(h, n->eqn->data);
+	case MAN_EQN:
+		print_eqn(h, n->eqn);
 		break;
-	case (MAN_TBL):
+	case MAN_TBL:
 		/*
 		 * This will take care of initialising all of the table
 		 * state data for the first table, then tearing it down
@@ -250,7 +244,7 @@ print_man_node(MAN_ARGS)
 		print_tbl(h, n->span);
 		return;
 	default:
-		/* 
+		/*
 		 * Close out scope of font prior to opening a macro
 		 * scope.
 		 */
@@ -269,30 +263,29 @@ print_man_node(MAN_ARGS)
 			t = h->tags.head;
 		}
 		if (mans[n->tok].pre)
-			child = (*mans[n->tok].pre)(m, n, mh, h);
+			child = (*mans[n->tok].pre)(man, n, mh, h);
 		break;
 	}
 
 	if (child && n->child)
-		print_man_nodelist(m, n->child, mh, h);
+		print_man_nodelist(man, n->child, mh, h);
 
 	/* This will automatically close out any font scope. */
 	print_stagq(h, t);
 
 	switch (n->type) {
-	case (MAN_ROOT):
-		man_root_post(m, n, mh, h);
+	case MAN_ROOT:
+		man_root_post(man, n, mh, h);
 		break;
-	case (MAN_EQN):
+	case MAN_EQN:
 		break;
 	default:
 		if (mans[n->tok].post)
-			(*mans[n->tok].post)(m, n, mh, h);
+			(*mans[n->tok].post)(man, n, mh, h);
 		break;
 	}
 }
 
-
 static int
 a2width(const struct man_node *n, struct roffsu *su)
 {
@@ -305,32 +298,25 @@ a2width(const struct man_node *n, struct roffsu *su)
 	return(0);
 }
 
-
-/* ARGSUSED */
 static void
 man_root_pre(MAN_ARGS)
 {
 	struct htmlpair	 tag[3];
 	struct tag	*t, *tt;
-	char		 b[BUFSIZ], title[BUFSIZ];
+	char		*title;
 
-	b[0] = 0;
-	if (m->vol)
-		(void)strlcat(b, m->vol, BUFSIZ);
-
-	snprintf(title, BUFSIZ - 1, "%s(%s)", m->title, m->msec);
+	assert(man->title);
+	assert(man->msec);
+	mandoc_asprintf(&title, "%s(%s)", man->title, man->msec);
 
 	PAIR_SUMMARY_INIT(&tag[0], "Document Header");
 	PAIR_CLASS_INIT(&tag[1], "head");
-	if (NULL == h->style) {
-		PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
-		t = print_otag(h, TAG_TABLE, 3, tag);
-		PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
-		print_otag(h, TAG_COL, 1, tag);
-		print_otag(h, TAG_COL, 1, tag);
-		print_otag(h, TAG_COL, 1, tag);
-	} else
-		t = print_otag(h, TAG_TABLE, 2, tag);
+	PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
+	t = print_otag(h, TAG_TABLE, 3, tag);
+	PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
+	print_otag(h, TAG_COL, 1, tag);
+	print_otag(h, TAG_COL, 1, tag);
+	print_otag(h, TAG_COL, 1, tag);
 
 	print_otag(h, TAG_TBODY, 0, NULL);
 
@@ -338,33 +324,24 @@ man_root_pre(MAN_ARGS)
 
 	PAIR_CLASS_INIT(&tag[0], "head-ltitle");
 	print_otag(h, TAG_TD, 1, tag);
-
 	print_text(h, title);
 	print_stagq(h, tt);
 
 	PAIR_CLASS_INIT(&tag[0], "head-vol");
-	if (NULL == h->style) {
-		PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
-		print_otag(h, TAG_TD, 2, tag);
-	} else 
-		print_otag(h, TAG_TD, 1, tag);
-
-	print_text(h, b);
+	PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
+	print_otag(h, TAG_TD, 2, tag);
+	if (NULL != man->vol)
+		print_text(h, man->vol);
 	print_stagq(h, tt);
 
 	PAIR_CLASS_INIT(&tag[0], "head-rtitle");
-	if (NULL == h->style) {
-		PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
-		print_otag(h, TAG_TD, 2, tag);
-	} else 
-		print_otag(h, TAG_TD, 1, tag);
-
+	PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
+	print_otag(h, TAG_TD, 2, tag);
 	print_text(h, title);
 	print_tagq(h, t);
+	free(title);
 }
 
-
-/* ARGSUSED */
 static void
 man_root_post(MAN_ARGS)
 {
@@ -373,38 +350,31 @@ man_root_post(MAN_ARGS)
 
 	PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
 	PAIR_CLASS_INIT(&tag[1], "foot");
-	if (NULL == h->style) {
-		PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
-		t = print_otag(h, TAG_TABLE, 3, tag);
-		PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
-		print_otag(h, TAG_COL, 1, tag);
-		print_otag(h, TAG_COL, 1, tag);
-	} else
-		t = print_otag(h, TAG_TABLE, 2, tag);
+	PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
+	t = print_otag(h, TAG_TABLE, 3, tag);
+	PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
+	print_otag(h, TAG_COL, 1, tag);
+	print_otag(h, TAG_COL, 1, tag);
 
 	tt = print_otag(h, TAG_TR, 0, NULL);
 
 	PAIR_CLASS_INIT(&tag[0], "foot-date");
 	print_otag(h, TAG_TD, 1, tag);
 
-	print_text(h, m->date);
+	assert(man->date);
+	print_text(h, man->date);
 	print_stagq(h, tt);
 
 	PAIR_CLASS_INIT(&tag[0], "foot-os");
-	if (NULL == h->style) {
-		PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
-		print_otag(h, TAG_TD, 2, tag);
-	} else 
-		print_otag(h, TAG_TD, 1, tag);
-
-	if (m->source)
-		print_text(h, m->source);
+	PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
+	print_otag(h, TAG_TD, 2, tag);
+
+	if (man->source)
+		print_text(h, man->source);
 	print_tagq(h, t);
 }
 
 
-
-/* ARGSUSED */
 static int
 man_br_pre(MAN_ARGS)
 {
@@ -431,8 +401,6 @@ man_br_pre(MAN_ARGS)
 	return(0);
 }
 
-
-/* ARGSUSED */
 static int
 man_SH_pre(MAN_ARGS)
 {
@@ -450,35 +418,38 @@ man_SH_pre(MAN_ARGS)
 	return(1);
 }
 
-
-/* ARGSUSED */
 static int
 man_alt_pre(MAN_ARGS)
 {
 	const struct man_node	*nn;
-	int		 i;
+	int		 i, savelit;
 	enum htmltag	 fp;
 	struct tag	*t;
 
+	if ((savelit = mh->fl & MANH_LITERAL))
+		print_otag(h, TAG_BR, 0, NULL);
+
+	mh->fl &= ~MANH_LITERAL;
+
 	for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
 		t = NULL;
 		switch (n->tok) {
-		case (MAN_BI):
+		case MAN_BI:
 			fp = i % 2 ? TAG_I : TAG_B;
 			break;
-		case (MAN_IB):
+		case MAN_IB:
 			fp = i % 2 ? TAG_B : TAG_I;
 			break;
-		case (MAN_RI):
+		case MAN_RI:
 			fp = i % 2 ? TAG_I : TAG_MAX;
 			break;
-		case (MAN_IR):
+		case MAN_IR:
 			fp = i % 2 ? TAG_MAX : TAG_I;
 			break;
-		case (MAN_BR):
+		case MAN_BR:
 			fp = i % 2 ? TAG_MAX : TAG_B;
 			break;
-		case (MAN_RB):
+		case MAN_RB:
 			fp = i % 2 ? TAG_B : TAG_MAX;
 			break;
 		default:
@@ -492,29 +463,28 @@ man_alt_pre(MAN_ARGS)
 		if (TAG_MAX != fp)
 			t = print_otag(h, fp, 0, NULL);
 
-		print_man_node(m, nn, mh, h);
+		print_man_node(man, nn, mh, h);
 
 		if (t)
 			print_tagq(h, t);
 	}
 
+	if (savelit)
+		mh->fl |= MANH_LITERAL;
+
 	return(0);
 }
 
-
-/* ARGSUSED */
 static int
 man_SM_pre(MAN_ARGS)
 {
-	
+
 	print_otag(h, TAG_SMALL, 0, NULL);
 	if (MAN_SB == n->tok)
 		print_otag(h, TAG_B, 0, NULL);
 	return(1);
 }
 
-
-/* ARGSUSED */
 static int
 man_SS_pre(MAN_ARGS)
 {
@@ -532,8 +502,6 @@ man_SS_pre(MAN_ARGS)
 	return(1);
 }
 
-
-/* ARGSUSED */
 static int
 man_PP_pre(MAN_ARGS)
 {
@@ -546,80 +514,43 @@ man_PP_pre(MAN_ARGS)
 	return(1);
 }
 
-
-/* ARGSUSED */
 static int
 man_IP_pre(MAN_ARGS)
 {
-	struct roffsu		 su;
-	struct htmlpair	 	 tag;
 	const struct man_node	*nn;
 
-	/*
-	 * This scattering of 1-BU margins and pads is to make sure that
-	 * when text overruns its box, the subsequent text isn't flush
-	 * up against it.  However, the rest of the right-hand box must
-	 * also be adjusted in consideration of this 1-BU space.
-	 */
-
-	if (MAN_BODY == n->type) { 
-		print_otag(h, TAG_TD, 0, NULL);
+	if (MAN_BODY == n->type) {
+		print_otag(h, TAG_DD, 0, NULL);
+		return(1);
+	} else if (MAN_HEAD != n->type) {
+		print_otag(h, TAG_DL, 0, NULL);
 		return(1);
 	}
 
-	nn = MAN_BLOCK == n->type ? 
-		n->head->child : n->parent->head->child;
-
-	SCALE_HS_INIT(&su, INDENT);
-
-	/* Width is the second token. */
-
-	if (MAN_IP == n->tok && NULL != nn)
-		if (NULL != (nn = nn->next))
-			a2width(nn, &su);
-
-	/* Width is the first token. */
-
-	if (MAN_TP == n->tok && NULL != nn) {
-		/* Skip past non-text children. */
-		while (nn && MAN_TEXT != nn->type)
-			nn = nn->next;
-		if (nn)
-			a2width(nn, &su);
-	}
-
-	if (MAN_BLOCK == n->type) {
-		print_bvspace(h, n);
-		print_otag(h, TAG_TABLE, 0, NULL);
-		bufinit(h);
-		bufcat_su(h, "width", &su);
-		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_COL, 1, &tag);
-		print_otag(h, TAG_COL, 0, NULL);
-		print_otag(h, TAG_TBODY, 0, NULL);
-		print_otag(h, TAG_TR, 0, NULL);
-		return(1);
-	} 
+	/* FIXME: width specification. */
 
-	print_otag(h, TAG_TD, 0, NULL);
+	print_otag(h, TAG_DT, 0, NULL);
 
 	/* For IP, only print the first header element. */
 
 	if (MAN_IP == n->tok && n->child)
-		print_man_node(m, n->child, mh, h);
+		print_man_node(man, n->child, mh, h);
 
 	/* For TP, only print next-line header elements. */
 
-	if (MAN_TP == n->tok)
-		for (nn = n->child; nn; nn = nn->next)
-			if (nn->line > n->line)
-				print_man_node(m, nn, mh, h);
+	if (MAN_TP == n->tok) {
+		nn = n->child;
+		while (NULL != nn && 0 == (MAN_LINE & nn->flags))
+			nn = nn->next;
+		while (NULL != nn) {
+			print_man_node(man, nn, mh, h);
+			nn = nn->next;
+		}
+	}
 
 	return(0);
 }
 
-
-/* ARGSUSED */
 static int
 man_HP_pre(MAN_ARGS)
 {
@@ -627,39 +558,56 @@ man_HP_pre(MAN_ARGS)
 	struct roffsu	 su;
 	const struct man_node *np;
 
-	bufinit(h);
+	if (MAN_HEAD == n->type)
+		return(0);
+	else if (MAN_BLOCK != n->type)
+		return(1);
 
-	np = MAN_BLOCK == n->type ? 
-		n->head->child : 
-		n->parent->head->child;
+	np = n->head->child;
 
 	if (NULL == np || ! a2width(np, &su))
 		SCALE_HS_INIT(&su, INDENT);
 
-	if (MAN_HEAD == n->type) {
-		print_otag(h, TAG_TD, 0, NULL);
-		return(0);
-	} else if (MAN_BLOCK == n->type) {
-		print_bvspace(h, n);
-		print_otag(h, TAG_TABLE, 0, NULL);
-		bufcat_su(h, "width", &su);
-		PAIR_STYLE_INIT(&tag, h);
-		print_otag(h, TAG_COL, 1, &tag);
-		print_otag(h, TAG_COL, 0, NULL);
-		print_otag(h, TAG_TBODY, 0, NULL);
-		print_otag(h, TAG_TR, 0, NULL);
-		return(1);
-	}
+	bufinit(h);
 
+	print_bvspace(h, n);
+	bufcat_su(h, "margin-left", &su);
 	su.scale = -su.scale;
 	bufcat_su(h, "text-indent", &su);
 	PAIR_STYLE_INIT(&tag, h);
-	print_otag(h, TAG_TD, 1, &tag);
+	print_otag(h, TAG_P, 1, &tag);
 	return(1);
 }
 
+static int
+man_OP_pre(MAN_ARGS)
+{
+	struct tag	*tt;
+	struct htmlpair	 tag;
+
+	print_text(h, "[");
+	h->flags |= HTML_NOSPACE;
+	PAIR_CLASS_INIT(&tag, "opt");
+	tt = print_otag(h, TAG_SPAN, 1, &tag);
+
+	if (NULL != (n = n->child)) {
+		print_otag(h, TAG_B, 0, NULL);
+		print_text(h, n->string);
+	}
+
+	print_stagq(h, tt);
+
+	if (NULL != n && NULL != n->next) {
+		print_otag(h, TAG_I, 0, NULL);
+		print_text(h, n->next->string);
+	}
+
+	print_stagq(h, tt);
+	h->flags |= HTML_NOSPACE;
+	print_text(h, "]");
+	return(0);
+}
 
-/* ARGSUSED */
 static int
 man_B_pre(MAN_ARGS)
 {
@@ -668,33 +616,27 @@ man_B_pre(MAN_ARGS)
 	return(1);
 }
 
-
-/* ARGSUSED */
 static int
 man_I_pre(MAN_ARGS)
 {
-	
+
 	print_otag(h, TAG_I, 0, NULL);
 	return(1);
 }
 
-
-/* ARGSUSED */
 static int
 man_literal_pre(MAN_ARGS)
 {
 
-	if (MAN_nf == n->tok) {
+	if (MAN_fi == n->tok || MAN_EE == n->tok) {
 		print_otag(h, TAG_BR, 0, NULL);
-		mh->fl |= MANH_LITERAL;
-	} else
 		mh->fl &= ~MANH_LITERAL;
+	} else
+		mh->fl |= MANH_LITERAL;
 
 	return(0);
 }
 
-
-/* ARGSUSED */
 static int
 man_in_pre(MAN_ARGS)
 {
@@ -703,8 +645,6 @@ man_in_pre(MAN_ARGS)
 	return(0);
 }
 
-
-/* ARGSUSED */
 static int
 man_ign_pre(MAN_ARGS)
 {
@@ -712,8 +652,6 @@ man_ign_pre(MAN_ARGS)
 	return(0);
 }
 
-
-/* ARGSUSED */
 static int
 man_RS_pre(MAN_ARGS)
 {
@@ -735,3 +673,26 @@ man_RS_pre(MAN_ARGS)
 	print_otag(h, TAG_DIV, 1, &tag);
 	return(1);
 }
+
+static int
+man_UR_pre(MAN_ARGS)
+{
+	struct htmlpair		 tag[2];
+
+	n = n->child;
+	assert(MAN_HEAD == n->type);
+	if (n->nchild) {
+		assert(MAN_TEXT == n->child->type);
+		PAIR_CLASS_INIT(&tag[0], "link-ext");
+		PAIR_HREF_INIT(&tag[1], n->child->string);
+		print_otag(h, TAG_A, 2, tag);
+	}
+
+	assert(MAN_BODY == n->next->type);
+	if (n->next->nchild)
+		n = n->next;
+
+	print_man_nodelist(man, n->child, mh, h);
+
+	return(0);
+}