Implement the obsolete macros .En .Es .Fr .Ot for backward compatibility,

since this is hardly more complicated than explicitly ignoring them
as we did in the past.  Of course, do not use them!

12 files changed, 186 insertions, 68 deletions

diff --git a/libmdoc.h b/libmdoc.h
index 2fdb77bb..f5b7d7f2 100644
--- a/libmdoc.h
+++ b/libmdoc.h
@@ -1,4 +1,4 @@
-/*	$Id: libmdoc.h,v 1.84 2014/04/20 16:46:04 schwarze Exp $ */
+/*	$Id: libmdoc.h,v 1.85 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2013 Ingo Schwarze <schwarze@openbsd.org>
@@ -41,6 +41,7 @@ struct	mdoc {
 	enum mdoc_next	  next; /* where to put the next node */
 	struct mdoc_node *last; /* the last node parsed */
 	struct mdoc_node *first; /* the first node parsed */
+	struct mdoc_node *last_es; /* the most recent Es node */
 	struct mdoc_meta  meta; /* document meta-data */
 	enum mdoc_sec	  lastnamed;
 	enum mdoc_sec	  lastsec;
diff --git a/mandoc.h b/mandoc.h
index be2f9f10..f61d28f0 100644
--- a/mandoc.h
+++ b/mandoc.h
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.h,v 1.125 2014/07/01 22:37:15 schwarze Exp $ */
+/*	$Id: mandoc.h,v 1.126 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -71,7 +71,7 @@ enum	mandocerr {
 	MANDOCERR_SEC_MSEC, /* unexpected section: title for ... only */
 
 	/* related to macros and nesting */
-	MANDOCERR_MACROOBS, /* skipping obsolete macro */
+	MANDOCERR_MACRO_OBS, /* obsolete macro: macro */
 	MANDOCERR_IGNPAR, /* skipping paragraph macro */
 	MANDOCERR_MOVEPAR, /* moving paragraph macro out of list */
 	MANDOCERR_IGNNS, /* skipping no-space macro */
diff --git a/mdoc.7 b/mdoc.7
index 0706a19b..a4aa1c70 100644
--- a/mdoc.7
+++ b/mdoc.7
@@ -1,4 +1,4 @@
-.\"	$Id: mdoc.7,v 1.230 2014/06/24 21:43:08 schwarze Exp $
+.\"	$Id: mdoc.7,v 1.231 2014/07/02 03:48:07 schwarze Exp $
 .\"
 .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010, 2011, 2013 Ingo Schwarze <schwarze@openbsd.org>
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: June 24 2014 $
+.Dd $Mdocdate: July 2 2014 $
 .Dt MDOC 7
 .Os
 .Sh NAME
@@ -1487,8 +1487,14 @@ See also
 and
 .Sx \&Sy .
 .Ss \&En
-This macro is obsolete and ignored by
-.Xr mandoc 1 .
+This macro is obsolete.
+Use
+.Sx \&Eo
+or any of the other enclosure macros.
+.Pp
+It encloses its argument in the delimiters specified by the last
+.Sx \&Es
+macro.
 .Ss \&Eo
 An arbitrary enclosure.
 Its syntax is as follows:
@@ -1514,8 +1520,14 @@ See also
 .Sx \&Dv
 for general constants.
 .Ss \&Es
-This macro is obsolete and ignored by
-.Xr mandoc 1 .
+This macro is obsolete.
+Use
+.Sx \&Eo
+or any of the other enclosure macros.
+.Pp
+It takes two arguments, defining the delimiters to be used by subsequent
+.Sx \&En
+macros.
 .Ss \&Ev
 Environmental variables such as those specified in
 .Xr environ 7 .
@@ -1695,13 +1707,10 @@ See also
 and
 .Sx \&Ft .
 .Ss \&Fr
-This macro is obsolete and ignored by
-.Xr mandoc 1 .
-.Pp
-It was used to show function return values.
-The syntax was:
+This macro is obsolete.
+No replacement markup is needed.
 .Pp
-.Dl Pf . Sx \&Fr Ar value
+It was used to show numerical function return values in an italic font.
 .Ss \&Ft
 A function type.
 Its syntax is as follows:
@@ -2114,8 +2123,12 @@ See also
 and
 .Sx \&Dt .
 .Ss \&Ot
-This macro is obsolete and ignored by
-.Xr mandoc 1 .
+This macro is obsolete.
+Use
+.Sx \&Ft
+instead; with
+.Xr mandoc 1 ,
+both have the same effect.
 .Pp
 Historical
 .Nm
@@ -2890,6 +2903,7 @@ end of the line.
 .It Sx \&D1  Ta    \&No     Ta    \&Yes
 .It Sx \&Dl  Ta    \&No     Ta    Yes
 .It Sx \&Dq  Ta    Yes      Ta    Yes
+.It Sx \&En  Ta    Yes      Ta    Yes
 .It Sx \&Op  Ta    Yes      Ta    Yes
 .It Sx \&Pq  Ta    Yes      Ta    Yes
 .It Sx \&Ql  Ta    Yes      Ta    Yes
@@ -2967,16 +2981,15 @@ then the macro accepts an arbitrary number of arguments.
 .It Sx \&Dv  Ta    Yes      Ta    Yes      Ta    >0
 .It Sx \&Dx  Ta    Yes      Ta    Yes      Ta    n
 .It Sx \&Em  Ta    Yes      Ta    Yes      Ta    >0
-.It Sx \&En  Ta    \&No     Ta    \&No     Ta    0
 .It Sx \&Er  Ta    Yes      Ta    Yes      Ta    >0
-.It Sx \&Es  Ta    \&No     Ta    \&No     Ta    0
+.It Sx \&Es  Ta    Yes      Ta    Yes      Ta    2
 .It Sx \&Ev  Ta    Yes      Ta    Yes      Ta    >0
 .It Sx \&Ex  Ta    \&No     Ta    \&No     Ta    n
 .It Sx \&Fa  Ta    Yes      Ta    Yes      Ta    >0
 .It Sx \&Fd  Ta    \&No     Ta    \&No     Ta    >0
 .It Sx \&Fl  Ta    Yes      Ta    Yes      Ta    n
 .It Sx \&Fn  Ta    Yes      Ta    Yes      Ta    >0
-.It Sx \&Fr  Ta    \&No     Ta    \&No     Ta    n
+.It Sx \&Fr  Ta    Yes      Ta    Yes      Ta    >0
 .It Sx \&Ft  Ta    Yes      Ta    Yes      Ta    >0
 .It Sx \&Fx  Ta    Yes      Ta    Yes      Ta    n
 .It Sx \&Hf  Ta    \&No     Ta    \&No     Ta    n
@@ -2993,7 +3006,7 @@ then the macro accepts an arbitrary number of arguments.
 .It Sx \&Ns  Ta    Yes      Ta    Yes      Ta    0
 .It Sx \&Nx  Ta    Yes      Ta    Yes      Ta    n
 .It Sx \&Os  Ta    \&No     Ta    \&No     Ta    n
-.It Sx \&Ot  Ta    \&No     Ta    \&No     Ta    n
+.It Sx \&Ot  Ta    Yes      Ta    Yes      Ta    >0
 .It Sx \&Ox  Ta    Yes      Ta    Yes      Ta    n
 .It Sx \&Pa  Ta    Yes      Ta    Yes      Ta    n
 .It Sx \&Pf  Ta    Yes      Ta    Yes      Ta    1
diff --git a/mdoc.c b/mdoc.c
index 04e9d972..c050f00f 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc.c,v 1.216 2014/07/01 22:37:15 schwarze Exp $ */
+/*	$Id: mdoc.c,v 1.217 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -516,6 +516,8 @@ mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
 		/* FALLTHROUGH */
 	case MDOC_Bl:
 		/* FALLTHROUGH */
+	case MDOC_En:
+		/* FALLTHROUGH */
 	case MDOC_Rs:
 		p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
 		break;
diff --git a/mdoc.h b/mdoc.h
index b6f3d96e..6b63b4e7 100644
--- a/mdoc.h
+++ b/mdoc.h
@@ -1,4 +1,4 @@
-/*	$Id: mdoc.h,v 1.129 2014/04/20 16:46:05 schwarze Exp $ */
+/*	$Id: mdoc.h,v 1.130 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -338,6 +338,7 @@ union	mdoc_data {
 	struct mdoc_bd	  Bd;
 	struct mdoc_bf	  Bf;
 	struct mdoc_bl	  Bl;
+	struct mdoc_node *Es;
 	struct mdoc_rs	  Rs;
 };
 
diff --git a/mdoc_argv.c b/mdoc_argv.c
index e411d51a..cd5ab1f2 100644
--- a/mdoc_argv.c
+++ b/mdoc_argv.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_argv.c,v 1.93 2014/04/23 21:06:41 schwarze Exp $ */
+/*	$Id: mdoc_argv.c,v 1.94 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2012 Ingo Schwarze <schwarze@openbsd.org>
@@ -179,7 +179,7 @@ static	const struct mdocarg mdocargs[MDOC_MAX] = {
 	{ ARGSFL_NONE, NULL }, /* Nd */
 	{ ARGSFL_DELIM, NULL }, /* Nm */
 	{ ARGSFL_DELIM, NULL }, /* Op */
-	{ ARGSFL_NONE, NULL }, /* Ot */
+	{ ARGSFL_DELIM, NULL }, /* Ot */
 	{ ARGSFL_DELIM, NULL }, /* Pa */
 	{ ARGSFL_NONE, args_Ex }, /* Rv */
 	{ ARGSFL_DELIM, NULL }, /* St */
@@ -249,7 +249,7 @@ static	const struct mdocarg mdocargs[MDOC_MAX] = {
 	{ ARGSFL_NONE, NULL }, /* Ek */
 	{ ARGSFL_NONE, NULL }, /* Bt */
 	{ ARGSFL_NONE, NULL }, /* Hf */
-	{ ARGSFL_NONE, NULL }, /* Fr */
+	{ ARGSFL_DELIM, NULL }, /* Fr */
 	{ ARGSFL_NONE, NULL }, /* Ud */
 	{ ARGSFL_DELIM, NULL }, /* Lb */
 	{ ARGSFL_NONE, NULL }, /* Lp */
@@ -260,7 +260,7 @@ static	const struct mdocarg mdocargs[MDOC_MAX] = {
 	{ ARGSFL_DELIM, NULL }, /* Brc */
 	{ ARGSFL_NONE, NULL }, /* %C */
 	{ ARGSFL_NONE, NULL }, /* Es */
-	{ ARGSFL_NONE, NULL }, /* En */
+	{ ARGSFL_DELIM, NULL }, /* En */
 	{ ARGSFL_DELIM, NULL }, /* Dx */
 	{ ARGSFL_NONE, NULL }, /* %Q */
 	{ ARGSFL_NONE, NULL }, /* br */
diff --git a/mdoc_html.c b/mdoc_html.c
index 2dc15c53..07a2e3ec 100644
--- a/mdoc_html.c
+++ b/mdoc_html.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_html.c,v 1.190 2014/04/23 16:08:33 schwarze Exp $ */
+/*	$Id: mdoc_html.c,v 1.191 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -97,7 +97,6 @@ static	int		  mdoc_it_pre(MDOC_ARGS);
 static	int		  mdoc_lb_pre(MDOC_ARGS);
 static	int		  mdoc_li_pre(MDOC_ARGS);
 static	int		  mdoc_lk_pre(MDOC_ARGS);
-static	int		  mdoc_ll_pre(MDOC_ARGS);
 static	int		  mdoc_mt_pre(MDOC_ARGS);
 static	int		  mdoc_ms_pre(MDOC_ARGS);
 static	int		  mdoc_nd_pre(MDOC_ARGS);
@@ -111,6 +110,7 @@ static	int		  mdoc_quote_pre(MDOC_ARGS);
 static	int		  mdoc_rs_pre(MDOC_ARGS);
 static	int		  mdoc_rv_pre(MDOC_ARGS);
 static	int		  mdoc_sh_pre(MDOC_ARGS);
+static	int		  mdoc_skip_pre(MDOC_ARGS);
 static	int		  mdoc_sm_pre(MDOC_ARGS);
 static	int		  mdoc_sp_pre(MDOC_ARGS);
 static	int		  mdoc_ss_pre(MDOC_ARGS);
@@ -157,7 +157,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_nd_pre, NULL}, /* Nd */
 	{mdoc_nm_pre, NULL}, /* Nm */
 	{mdoc_quote_pre, mdoc_quote_post}, /* Op */
-	{NULL, NULL}, /* Ot */
+	{mdoc_ft_pre, NULL}, /* Ot */
 	{mdoc_pa_pre, NULL}, /* Pa */
 	{mdoc_rv_pre, NULL}, /* Rv */
 	{NULL, NULL}, /* St */
@@ -227,7 +227,7 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{NULL, NULL}, /* Ek */
 	{mdoc_bt_pre, NULL}, /* Bt */
 	{NULL, NULL}, /* Hf */
-	{NULL, NULL}, /* Fr */
+	{mdoc_em_pre, NULL}, /* Fr */
 	{mdoc_ud_pre, NULL}, /* Ud */
 	{mdoc_lb_pre, NULL}, /* Lb */
 	{mdoc_pp_pre, NULL}, /* Lp */
@@ -237,15 +237,15 @@ static	const struct htmlmdoc mdocs[MDOC_MAX] = {
 	{mdoc_quote_pre, mdoc_quote_post}, /* Bro */
 	{NULL, NULL}, /* Brc */
 	{mdoc__x_pre, mdoc__x_post}, /* %C */
-	{NULL, NULL}, /* Es */  /* TODO */
-	{NULL, NULL}, /* En */  /* TODO */
+	{mdoc_skip_pre, NULL}, /* Es */
+	{mdoc_quote_pre, mdoc_quote_post}, /* En */
 	{mdoc_xx_pre, NULL}, /* Dx */
 	{mdoc__x_pre, mdoc__x_post}, /* %Q */
 	{mdoc_sp_pre, NULL}, /* br */
 	{mdoc_sp_pre, NULL}, /* sp */
 	{mdoc__x_pre, mdoc__x_post}, /* %U */
 	{NULL, NULL}, /* Ta */
-	{mdoc_ll_pre, NULL}, /* ll */
+	{mdoc_skip_pre, NULL}, /* ll */
 };
 
 static	const char * const lists[LIST_MAX] = {
@@ -1545,7 +1545,7 @@ mdoc_sm_pre(MDOC_ARGS)
 }
 
 static int
-mdoc_ll_pre(MDOC_ARGS)
+mdoc_skip_pre(MDOC_ARGS)
 {
 
 	return(0);
@@ -2085,6 +2085,12 @@ mdoc_quote_pre(MDOC_ARGS)
 		PAIR_CLASS_INIT(&tag, "opt");
 		print_otag(h, TAG_SPAN, 1, &tag);
 		break;
+	case MDOC_En:
+		if (NULL == n->norm->Es ||
+		    NULL == n->norm->Es->child)
+			return(1);
+		print_text(h, n->norm->Es->child->string);
+		break;
 	case MDOC_Eo:
 		break;
 	case MDOC_Do:
@@ -2128,7 +2134,8 @@ mdoc_quote_post(MDOC_ARGS)
 	if (MDOC_BODY != n->type)
 		return;
 
-	h->flags |= HTML_NOSPACE;
+	if (MDOC_En != n->tok)
+		h->flags |= HTML_NOSPACE;
 
 	switch (n->tok) {
 	case MDOC_Ao:
@@ -2150,6 +2157,14 @@ mdoc_quote_post(MDOC_ARGS)
 	case MDOC_Bq:
 		print_text(h, "\\(rB");
 		break;
+	case MDOC_En:
+		if (NULL != n->norm->Es &&
+		    NULL != n->norm->Es->child &&
+		    NULL != n->norm->Es->child->next) {
+			h->flags |= HTML_NOSPACE;
+			print_text(h, n->norm->Es->child->next->string);
+		}
+		break;
 	case MDOC_Eo:
 		break;
 	case MDOC_Qo:
diff --git a/mdoc_macro.c b/mdoc_macro.c
index 762f59e6..f16572d4 100644
--- a/mdoc_macro.c
+++ b/mdoc_macro.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_macro.c,v 1.131 2014/04/20 16:46:05 schwarze Exp $ */
+/*	$Id: mdoc_macro.c,v 1.132 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
@@ -48,7 +48,6 @@ static	int		ctx_synopsis(MACRO_PROT_ARGS);
 static	int		in_line_eoln(MACRO_PROT_ARGS);
 static	int		in_line_argn(MACRO_PROT_ARGS);
 static	int		in_line(MACRO_PROT_ARGS);
-static	int		obsolete(MACRO_PROT_ARGS);
 static	int		phrase_ta(MACRO_PROT_ARGS);
 
 static	int		dword(struct mdoc *, int, int, const char *,
@@ -104,7 +103,7 @@ const	struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
 	{ blk_full, MDOC_JOIN }, /* Nd */
 	{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
 	{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
-	{ obsolete, 0 }, /* Ot */
+	{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
 	{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
 	{ in_line_eoln, 0 }, /* Rv */
 	{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
@@ -191,7 +190,7 @@ const	struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
 	{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
 	{ in_line_eoln, 0 }, /* Bt */
 	{ in_line_eoln, 0 }, /* Hf */
-	{ obsolete, 0 }, /* Fr */
+	{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
 	{ in_line_eoln, 0 }, /* Ud */
 	{ in_line, 0 }, /* Lb */
 	{ in_line_eoln, 0 }, /* Lp */
@@ -203,8 +202,8 @@ const	struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
 	{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
 			 MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
 	{ in_line_eoln, MDOC_JOIN }, /* %C */
-	{ obsolete, 0 }, /* Es */
-	{ obsolete, 0 }, /* En */
+	{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
+	{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
 	{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
 	{ in_line_eoln, MDOC_JOIN }, /* %Q */
 	{ in_line_eoln, 0 }, /* br */
@@ -1528,6 +1527,8 @@ in_line_argn(MACRO_PROT_ARGS)
 		break;
 	case MDOC_Bx:
 		/* FALLTHROUGH */
+	case MDOC_Es:
+		/* FALLTHROUGH */
 	case MDOC_Xr:
 		maxargs = 2;
 		break;
@@ -1715,14 +1716,6 @@ ctx_synopsis(MACRO_PROT_ARGS)
 	return(blk_part_imp(mdoc, tok, line, ppos, pos, buf));
 }
 
-static int
-obsolete(MACRO_PROT_ARGS)
-{
-
-	mdoc_pmsg(mdoc, line, ppos, MANDOCERR_MACROOBS);
-	return(1);
-}
-
 /*
  * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
  * They're unusual because they're basically free-form text until a
diff --git a/mdoc_man.c b/mdoc_man.c
index 29bede8f..8dcfae74 100644
--- a/mdoc_man.c
+++ b/mdoc_man.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_man.c,v 1.63 2014/04/20 19:40:13 schwarze Exp $ */
+/*	$Id: mdoc_man.c,v 1.64 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -51,6 +51,7 @@ static	void	  post_bf(DECL_ARGS);
 static	void	  post_bk(DECL_ARGS);
 static	void	  post_bl(DECL_ARGS);
 static	void	  post_dl(DECL_ARGS);
+static	void	  post_en(DECL_ARGS);
 static	void	  post_enc(DECL_ARGS);
 static	void	  post_eo(DECL_ARGS);
 static	void	  post_fa(DECL_ARGS);
@@ -78,8 +79,10 @@ static	int	  pre_bl(DECL_ARGS);
 static	int	  pre_br(DECL_ARGS);
 static	int	  pre_bx(DECL_ARGS);
 static	int	  pre_dl(DECL_ARGS);
+static	int	  pre_en(DECL_ARGS);
 static	int	  pre_enc(DECL_ARGS);
 static	int	  pre_em(DECL_ARGS);
+static	int	  pre_es(DECL_ARGS);
 static	int	  pre_fa(DECL_ARGS);
 static	int	  pre_fd(DECL_ARGS);
 static	int	  pre_fl(DECL_ARGS);
@@ -150,7 +153,7 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
 	{ NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
 	{ cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
-	{ NULL, NULL, NULL, NULL, NULL }, /* Ot */
+	{ NULL, pre_ft, post_font, NULL, NULL }, /* Ot */
 	{ NULL, pre_em, post_font, NULL, NULL }, /* Pa */
 	{ NULL, pre_enc, post_enc, "The \\fB",
 		"\\fP\nfunction returns the value 0 if successful;\n"
@@ -224,7 +227,7 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ NULL, NULL, NULL, NULL, NULL }, /* Ek */
 	{ NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Hf */
-	{ NULL, NULL, NULL, NULL, NULL }, /* Fr */
+	{ NULL, pre_em, post_font, NULL, NULL }, /* Fr */
 	{ NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
 	{ NULL, NULL, post_lb, NULL, NULL }, /* Lb */
 	{ NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
@@ -234,8 +237,8 @@ static	const struct manact manacts[MDOC_MAX + 1] = {
 	{ cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
 	{ NULL, NULL, NULL, NULL, NULL }, /* Brc */
 	{ NULL, NULL, post_percent, NULL, NULL }, /* %C */
-	{ NULL, NULL, NULL, NULL, NULL }, /* Es */
-	{ NULL, NULL, NULL, NULL, NULL }, /* En */
+	{ NULL, pre_es, NULL, NULL, NULL }, /* Es */
+	{ cond_body, pre_en, post_en, NULL, NULL }, /* En */
 	{ NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
 	{ NULL, NULL, post_percent, NULL, NULL }, /* %Q */
 	{ NULL, pre_br, NULL, NULL, NULL }, /* br */
@@ -1035,6 +1038,33 @@ pre_em(DECL_ARGS)
 	return(1);
 }
 
+static int
+pre_en(DECL_ARGS)
+{
+
+	if (NULL == n->norm->Es ||
+	    NULL == n->norm->Es->child)
+		return(1);
+
+	print_word(n->norm->Es->child->string);
+	outflags &= ~MMAN_spc;
+	return(1);
+}
+
+static void
+post_en(DECL_ARGS)
+{
+
+	if (NULL == n->norm->Es ||
+	    NULL == n->norm->Es->child ||
+	    NULL == n->norm->Es->child->next)
+		return;
+
+	outflags &= ~MMAN_spc;
+	print_word(n->norm->Es->child->next->string);
+	return;
+}
+
 static void
 post_eo(DECL_ARGS)
 {
@@ -1044,6 +1074,13 @@ post_eo(DECL_ARGS)
 }
 
 static int
+pre_es(DECL_ARGS)
+{
+
+	return(0);
+}
+
+static int
 pre_fa(DECL_ARGS)
 {
 	int	 am_Fa;
diff --git a/mdoc_term.c b/mdoc_term.c
index 93bb05ea..0039525a 100644
--- a/mdoc_term.c
+++ b/mdoc_term.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_term.c,v 1.267 2014/04/23 16:08:33 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.268 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -95,6 +95,7 @@ static	int	  termp_bt_pre(DECL_ARGS);
 static	int	  termp_bx_pre(DECL_ARGS);
 static	int	  termp_cd_pre(DECL_ARGS);
 static	int	  termp_d1_pre(DECL_ARGS);
+static	int	  termp_es_pre(DECL_ARGS);
 static	int	  termp_ex_pre(DECL_ARGS);
 static	int	  termp_fa_pre(DECL_ARGS);
 static	int	  termp_fd_pre(DECL_ARGS);
@@ -158,7 +159,7 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_nd_pre, NULL }, /* Nd */
 	{ termp_nm_pre, termp_nm_post }, /* Nm */
 	{ termp_quote_pre, termp_quote_post }, /* Op */
-	{ NULL, NULL }, /* Ot */
+	{ termp_ft_pre, NULL }, /* Ot */
 	{ termp_under_pre, NULL }, /* Pa */
 	{ termp_rv_pre, NULL }, /* Rv */
 	{ NULL, NULL }, /* St */
@@ -228,7 +229,7 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ NULL, NULL }, /* Ek */
 	{ termp_bt_pre, NULL }, /* Bt */
 	{ NULL, NULL }, /* Hf */
-	{ NULL, NULL }, /* Fr */
+	{ termp_under_pre, NULL }, /* Fr */
 	{ termp_ud_pre, NULL }, /* Ud */
 	{ NULL, termp_lb_post }, /* Lb */
 	{ termp_sp_pre, NULL }, /* Lp */
@@ -238,8 +239,8 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_quote_pre, termp_quote_post }, /* Bro */
 	{ NULL, NULL }, /* Brc */
 	{ NULL, termp____post }, /* %C */
-	{ NULL, NULL }, /* Es */ /* TODO */
-	{ NULL, NULL }, /* En */ /* TODO */
+	{ termp_es_pre, NULL }, /* Es */
+	{ termp_quote_pre, termp_quote_post }, /* En */
 	{ termp_xx_pre, NULL }, /* Dx */
 	{ NULL, termp____post }, /* %Q */
 	{ termp_sp_pre, NULL }, /* br */
@@ -1829,6 +1830,13 @@ termp_sp_pre(DECL_ARGS)
 }
 
 static int
+termp_es_pre(DECL_ARGS)
+{
+
+	return(0);
+}
+
+static int
 termp_quote_pre(DECL_ARGS)
 {
 
@@ -1860,6 +1868,12 @@ termp_quote_pre(DECL_ARGS)
 	case MDOC_Dq:
 		term_word(p, "\\(lq");
 		break;
+	case MDOC_En:
+		if (NULL == n->norm->Es ||
+		    NULL == n->norm->Es->child)
+			return(1);
+		term_word(p, n->norm->Es->child->string);
+		break;
 	case MDOC_Eo:
 		break;
 	case MDOC_Po:
@@ -1897,7 +1911,8 @@ termp_quote_post(DECL_ARGS)
 	if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
 		return;
 
-	p->flags |= TERMP_NOSPACE;
+	if (MDOC_En != n->tok)
+		p->flags |= TERMP_NOSPACE;
 
 	switch (n->tok) {
 	case MDOC_Ao:
@@ -1924,6 +1939,14 @@ termp_quote_post(DECL_ARGS)
 	case MDOC_Dq:
 		term_word(p, "\\(rq");
 		break;
+	case MDOC_En:
+		if (NULL != n->norm->Es &&
+		    NULL != n->norm->Es->child &&
+		    NULL != n->norm->Es->child->next) {
+			p->flags |= TERMP_NOSPACE;
+			term_word(p, n->norm->Es->child->next->string);
+		}
+		break;
 	case MDOC_Eo:
 		break;
 	case MDOC_Po:
diff --git a/mdoc_validate.c b/mdoc_validate.c
index 32f141de..01475f95 100644
--- a/mdoc_validate.c
+++ b/mdoc_validate.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_validate.c,v 1.217 2014/07/01 22:37:15 schwarze Exp $ */
+/*	$Id: mdoc_validate.c,v 1.218 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -98,6 +98,8 @@ static	int	 post_bx(POST_ARGS);
 static	int	 post_defaults(POST_ARGS);
 static	int	 post_dd(POST_ARGS);
 static	int	 post_dt(POST_ARGS);
+static	int	 post_en(POST_ARGS);
+static	int	 post_es(POST_ARGS);
 static	int	 post_eoln(POST_ARGS);
 static	int	 post_hyph(POST_ARGS);
 static	int	 post_ignpar(POST_ARGS);
@@ -125,6 +127,7 @@ static	int	 pre_display(PRE_ARGS);
 static	int	 pre_dt(PRE_ARGS);
 static	int	 pre_it(PRE_ARGS);
 static	int	 pre_literal(PRE_ARGS);
+static	int	 pre_obsolete(PRE_ARGS);
 static	int	 pre_os(PRE_ARGS);
 static	int	 pre_par(PRE_ARGS);
 static	int	 pre_sh(PRE_ARGS);
@@ -145,6 +148,8 @@ static	v_post	 posts_d1[] = { bwarn_ge1, post_hyph, NULL };
 static	v_post	 posts_dd[] = { post_dd, post_prol, NULL };
 static	v_post	 posts_dl[] = { post_literal, bwarn_ge1, NULL };
 static	v_post	 posts_dt[] = { post_dt, post_prol, NULL };
+static	v_post	 posts_en[] = { post_en, NULL };
+static	v_post	 posts_es[] = { post_es, NULL };
 static	v_post	 posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
 static	v_post	 posts_hyph[] = { post_hyph, NULL };
 static	v_post	 posts_hyphtext[] = { ewarn_ge1, post_hyph, NULL };
@@ -173,6 +178,7 @@ static	v_pre	 pres_dl[] = { pre_literal, pre_display, NULL };
 static	v_pre	 pres_dd[] = { pre_dd, NULL };
 static	v_pre	 pres_dt[] = { pre_dt, NULL };
 static	v_pre	 pres_it[] = { pre_it, pre_par, NULL };
+static	v_pre	 pres_obsolete[] = { pre_obsolete, NULL };
 static	v_pre	 pres_os[] = { pre_os, NULL };
 static	v_pre	 pres_pp[] = { pre_par, NULL };
 static	v_pre	 pres_sh[] = { pre_sh, NULL };
@@ -214,7 +220,7 @@ static	const struct valids mdoc_valids[MDOC_MAX] = {
 	{ NULL, posts_nd },			/* Nd */
 	{ NULL, posts_nm },			/* Nm */
 	{ NULL, NULL },				/* Op */
-	{ NULL, NULL },				/* Ot */
+	{ pres_obsolete, NULL },		/* Ot */
 	{ NULL, posts_defaults },		/* Pa */
 	{ pres_std, posts_std },		/* Rv */
 	{ NULL, posts_st },			/* St */
@@ -284,7 +290,7 @@ static	const struct valids mdoc_valids[MDOC_MAX] = {
 	{ NULL, NULL },				/* Ek */
 	{ NULL, posts_eoln },			/* Bt */
 	{ NULL, NULL },				/* Hf */
-	{ NULL, NULL },				/* Fr */
+	{ pres_obsolete, NULL },		/* Fr */
 	{ NULL, posts_eoln },			/* Ud */
 	{ NULL, posts_lb },			/* Lb */
 	{ pres_pp, posts_pp },			/* Lp */
@@ -294,8 +300,8 @@ static	const struct valids mdoc_valids[MDOC_MAX] = {
 	{ NULL, NULL },				/* Bro */
 	{ NULL, NULL },				/* Brc */
 	{ NULL, posts_text },			/* %C */
-	{ NULL, NULL },				/* Es */
-	{ NULL, NULL },				/* En */
+	{ pres_obsolete, posts_es },		/* Es */
+	{ pres_obsolete, posts_en },		/* En */
 	{ NULL, NULL },				/* Dx */
 	{ NULL, posts_text },			/* %Q */
 	{ NULL, posts_pp },			/* br */
@@ -931,6 +937,16 @@ pre_std(PRE_ARGS)
 }
 
 static int
+pre_obsolete(PRE_ARGS)
+{
+
+	if (MDOC_ELEM == n->type || MDOC_BLOCK == n->type)
+		mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse,
+		    n->line, n->pos, mdoc_macronames[n->tok]);
+	return(1);
+}
+
+static int
 pre_dt(PRE_ARGS)
 {
 
@@ -1230,6 +1246,23 @@ post_an(POST_ARGS)
 }
 
 static int
+post_en(POST_ARGS)
+{
+
+	if (MDOC_BLOCK == mdoc->last->type)
+		mdoc->last->norm->Es = mdoc->last_es;
+	return(1);
+}
+
+static int
+post_es(POST_ARGS)
+{
+
+	mdoc->last_es = mdoc->last;
+	return(1);
+}
+
+static int
 post_it(POST_ARGS)
 {
 	int		  i, cols;
diff --git a/read.c b/read.c
index 097a62e8..2f9d79db 100644
--- a/read.c
+++ b/read.c
@@ -1,4 +1,4 @@
-/*	$Id: read.c,v 1.54 2014/07/01 22:37:15 schwarze Exp $ */
+/*	$Id: read.c,v 1.55 2014/07/02 03:48:07 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -115,7 +115,7 @@ static	const char * const	mandocerrs[MANDOCERR_MAX] = {
 	"unexpected section",
 
 	/* related to macros and nesting */
-	"skipping obsolete macro",
+	"obsolete macro",
 	"skipping paragraph macro",
 	"moving paragraph macro out of list",
 	"skipping no-space macro",