Sync to bsd.lv; in particular, pull in lots of bug fixes.

new features:
* support the .in macro in man(7)
* support minimal PDF output
* support .Sm in mdoc(7) HTML output
* support .Vb and .nf in man(7) HTML output
* complete the mdoc(7) manual
bug fixes:
* do not let mdoc(7) .Pp produce a newline before/after .Sh; reported by jmc@
* avoid double blank lines related to man(7) .sp and .br
* let man(7) .nf and .fi flush the line; reported by jsg@ and naddy@
* let "\ " produce a non-breaking space; reported by deraadt@
* discard \m colour escape sequences; reported by J.C. Roberts
* map undefined 1-character-escapes to the literal character itself
maintenance:
* express mdoc(7) arguments in terms of an enum for additional type-safety
* simplify mandoc_special() and a2roffdeco()
* use strcspn in term_word() in place of a manual loop
* minor optimisations in the -Tps and -Thtml formatting frontends

1 files changed, 7 insertions, 2 deletions

diff --git a/usr.bin/mandoc/mdoc_term.c b/usr.bin/mandoc/mdoc_term.c
index 629dcdba5cc..0dce300ba1b 100644
--- a/usr.bin/mandoc/mdoc_term.c
+++ b/usr.bin/mandoc/mdoc_term.c
@@ -1,4 +1,4 @@
-/*	$Id: mdoc_term.c,v 1.97 2010/07/21 21:44:28 schwarze Exp $ */
+/*	$Id: mdoc_term.c,v 1.98 2010/07/25 18:05:54 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
@@ -204,7 +204,7 @@ static	const struct termact termacts[MDOC_MAX] = {
 	{ termp_under_pre, NULL }, /* Em */ 
 	{ NULL, NULL }, /* Eo */
 	{ termp_xx_pre, NULL }, /* Fx */
-	{ termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
+	{ termp_bold_pre, NULL }, /* Ms */
 	{ NULL, NULL }, /* No */
 	{ termp_ns_pre, NULL }, /* Ns */
 	{ termp_xx_pre, NULL }, /* Nx */
@@ -1902,6 +1902,11 @@ termp_sp_pre(DECL_ARGS)
 		len = 0;
 		break;
 	default:
+		assert(n->parent);
+		if ((NULL == n->next || NULL == n->prev) &&
+				(MDOC_Ss == n->parent->tok ||
+				 MDOC_Sh == n->parent->tok))
+			return(0);
 		len = 1;
 		break;
 	}