From c55c7c742e50a932784d8cd8689f4ad216fcc91f Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Thu, 12 Nov 2009 08:21:05 +0000
Subject: Fixed \c support for all input and output modes (documented in
 mandoc_char.7).

---
 html.c        |  5 ++++-
 man.7         | 10 +---------
 man_term.c    | 15 +++------------
 mandoc_char.7 |  5 +++--
 out.c         |  7 ++++++-
 out.h         |  3 ++-
 term.c        |  5 ++++-
 7 files changed, 23 insertions(+), 27 deletions(-)

diff --git a/html.c b/html.c
index 042f1641..f1a256f1 100644
--- a/html.c
+++ b/html.c
@@ -1,4 +1,4 @@
-/*	$Id: html.c,v 1.83 2009/11/10 16:32:00 kristaps Exp $ */
+/*	$Id: html.c,v 1.84 2009/11/12 08:21:05 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -262,6 +262,9 @@ print_encode(struct html *h, const char *p)
 		}
 
 		p += len - 1;
+
+		if (DECO_NOSPACE == deco && '\0' == *(p + 1))
+			h->flags |= HTML_NOSPACE;
 	}
 }
 
diff --git a/man.7 b/man.7
index 5a2bc440..92a1dc3b 100644
--- a/man.7
+++ b/man.7
@@ -1,4 +1,4 @@
-.\"	$Id: man.7,v 1.51 2009/11/12 08:00:21 kristaps Exp $
+.\"	$Id: man.7,v 1.52 2009/11/12 08:21:05 kristaps Exp $
 .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
 .\"
@@ -67,14 +67,6 @@ line termination.
 Blank lines are acceptable; where found, the output will assert a
 vertical space.
 .
-.Pp
-The
-.Sq \ec
-escape is common in historical
-.Nm
-documents; if encountered at the end of a word, it ensures that the
-subsequent word isn't off-set by whitespace.
-.
 .
 .Ss Comments
 Text following a
diff --git a/man_term.c b/man_term.c
index 704511b4..fefbc1cb 100644
--- a/man_term.c
+++ b/man_term.c
@@ -1,4 +1,4 @@
-/*	$Id: man_term.c,v 1.53 2009/11/12 08:00:21 kristaps Exp $ */
+/*	$Id: man_term.c,v 1.54 2009/11/12 08:21:05 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -783,7 +783,7 @@ post_RS(DECL_ARGS)
 static void
 print_man_node(DECL_ARGS)
 {
-	int		 c, sz;
+	int		 c;
 
 	c = 1;
 
@@ -793,17 +793,8 @@ print_man_node(DECL_ARGS)
 			term_vspace(p);
 			break;
 		}
-		/*
-		 * Note!  This is hacky.  Here, we recognise the `\c'
-		 * escape embedded in so many -man pages.  It's supposed
-		 * to remove the subsequent space, so we mark NOSPACE if
-		 * it's encountered in the string.
-		 */
-		sz = (int)strlen(n->string);
+
 		term_word(p, n->string);
-		if (sz >= 2 && n->string[sz - 1] == 'c' &&
-				n->string[sz - 2] == '\\')
-			p->flags |= TERMP_NOSPACE;
 
 		/* FIXME: this means that macro lines are munged!  */
 
diff --git a/mandoc_char.7 b/mandoc_char.7
index 3c9392df..631bba6c 100644
--- a/mandoc_char.7
+++ b/mandoc_char.7
@@ -1,4 +1,4 @@
-.\"	$Id: mandoc_char.7,v 1.27 2009/10/17 04:37:52 kristaps Exp $
+.\"	$Id: mandoc_char.7,v 1.28 2009/11/12 08:21:05 kristaps Exp $
 .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\" 
-.Dd $Mdocdate: October 17 2009 $
+.Dd $Mdocdate: November 12 2009 $
 .Dt MANDOC_CHAR 7
 .Os
 .
@@ -110,6 +110,7 @@ Spacing:
 .It \e&      Ta zero-width space
 .It \e|      Ta zero-width space
 .It \e0      Ta breaking, non-collapsing digit-width space
+.It \ec      Ta removes any trailing space (if applicable)
 .El
 .
 .Pp
diff --git a/out.c b/out.c
index 713e5fa2..67860d9b 100644
--- a/out.c
+++ b/out.c
@@ -1,4 +1,4 @@
-/*	$Id: out.c,v 1.10 2009/11/08 09:23:35 kristaps Exp $ */
+/*	$Id: out.c,v 1.11 2009/11/12 08:21:05 kristaps Exp $ */
 /*
  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -331,6 +331,11 @@ a2roffdeco(enum roffdeco *d,
 	case ('['):
 		break;
 
+	case ('c'):
+		*d = DECO_NOSPACE;
+		*sz = 1;
+		return(1);
+
 	default:
 		*d = DECO_SPECIAL;
 		*word = wp;
diff --git a/out.h b/out.h
index e94ed541..9ace7117 100644
--- a/out.h
+++ b/out.h
@@ -1,4 +1,4 @@
-/*	$Id: out.h,v 1.8 2009/11/08 09:23:35 kristaps Exp $ */
+/*	$Id: out.h,v 1.9 2009/11/12 08:21:05 kristaps Exp $ */
 /*
  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -44,6 +44,7 @@ enum	roffdeco {
 	DECO_ROMAN,
 	DECO_PREVIOUS,
 	DECO_SIZE,
+	DECO_NOSPACE,
 	DECO_MAX
 };
 
diff --git a/term.c b/term.c
index 4d44ad0f..0d2c1ef6 100644
--- a/term.c
+++ b/term.c
@@ -1,4 +1,4 @@
-/*	$Id: term.c,v 1.126 2009/11/12 05:58:30 kristaps Exp $ */
+/*	$Id: term.c,v 1.127 2009/11/12 08:21:06 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -487,7 +487,10 @@ term_word(struct termp *p, const char *word)
 		default:
 			break;
 		}
+
 		word += sz;
+		if (DECO_NOSPACE == deco && '\0' == *word)
+			p->flags |= TERMP_NOSPACE;
 	}
 
 	if (sv[0] && 0 == sv[1])
-- 
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