mdocml: Properly handle -mdoc %A in all outputs.

[kristaps@mdocml.bsd.lv]

Log Message:
-----------
Properly handle -mdoc %A in all outputs.  This has two-author entires
separated by only "and" while two or more are with ", and" for the last
author.

Also remove relevant TODO and add regression tests.

Modified Files:
--------------
    mdocml:
        mdoc_html.c
        mdoc_term.c
        TODO

Added Files:
-----------
    mdocml/regress/mdoc/Rs:
        one_author.in
        three_authors.in
        two_authors.in

Revision Data
-------------
Index: TODO
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/TODO,v
retrieving revision 1.43
retrieving revision 1.44
diff -LTODO -LTODO -u -p -r1.43 -r1.44
--- TODO
+++ TODO
@@ -90,8 +90,6 @@
   try e.g. .Bl -column It Ta Ta
   reported by millert Fri, 02 Apr 2010 16:13:46 -0400
 
-- %A doesn't put an "and" before the final author name.
-
 ************************************************************************
 * formatting issues: gratuitious differences
 ************************************************************************
@@ -105,10 +103,6 @@
   This is parsed as
   text("${name") text("[") Ns() text(selector)...
   Opening punctuation should not fall out of .Ns.
-  see for example OpenBSD csh(1)
-
-- .%A should append the last author with " and " (if there are two)
-  or ", and " (if there are more), not ", "
   see for example OpenBSD csh(1)
 
 - In .Bl -bullet, the groff bullet is "+\b+\bo\bo", the mandoc bullet
Index: mdoc_html.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_html.c,v
retrieving revision 1.102
retrieving revision 1.103
diff -Lmdoc_html.c -Lmdoc_html.c -u -p -r1.102 -r1.103
--- mdoc_html.c
+++ mdoc_html.c
@@ -2194,6 +2194,9 @@ mdoc__x_pre(MDOC_ARGS)
 	switch (n->tok) {
 	case(MDOC__A):
 		PAIR_CLASS_INIT(&tag[0], "ref-auth");
+		if (n->prev && MDOC__A == n->prev->tok)
+			if (NULL == n->next || MDOC__A != n->next->tok)
+				print_text(h, "and");
 		break;
 	case(MDOC__B):
 		PAIR_CLASS_INIT(&tag[0], "ref-book");
@@ -2246,6 +2249,7 @@ mdoc__x_pre(MDOC_ARGS)
 
 	PAIR_HREF_INIT(&tag[1], n->child->string);
 	print_otag(h, TAG_A, 2, tag);
+
 	return(1);
 }
 
@@ -2254,6 +2258,11 @@ mdoc__x_pre(MDOC_ARGS)
 static void
 mdoc__x_post(MDOC_ARGS)
 {
+
+	if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
+		if (NULL == n->next->next || MDOC__A != n->next->next->tok)
+			if (NULL == n->prev || MDOC__A != n->prev->tok)
+				return;
 
 	/* TODO: %U */
 
Index: mdoc_term.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_term.c,v
retrieving revision 1.183
retrieving revision 1.184
diff -Lmdoc_term.c -Lmdoc_term.c -u -p -r1.183 -r1.184
--- mdoc_term.c
+++ mdoc_term.c
@@ -92,6 +92,7 @@ static	void	  termp_sh_post(DECL_ARGS);
 static	void	  termp_sq_post(DECL_ARGS);
 static	void	  termp_ss_post(DECL_ARGS);
 
+static	int	  termp__a_pre(DECL_ARGS);
 static	int	  termp_an_pre(DECL_ARGS);
 static	int	  termp_ap_pre(DECL_ARGS);
 static	int	  termp_aq_pre(DECL_ARGS);
@@ -178,7 +179,7 @@ static	const struct termact termacts[MDO
 	{ termp_under_pre, NULL }, /* Va */
 	{ termp_vt_pre, NULL }, /* Vt */
 	{ termp_xr_pre, NULL }, /* Xr */
-	{ NULL, termp____post }, /* %A */
+	{ termp__a_pre, termp____post }, /* %A */
 	{ termp_under_pre, termp____post }, /* %B */
 	{ NULL, termp____post }, /* %D */
 	{ termp_under_pre, termp____post }, /* %I */
@@ -1079,6 +1080,19 @@ termp_fl_pre(DECL_ARGS)
 
 /* ARGSUSED */
 static int
+termp__a_pre(DECL_ARGS)
+{
+
+	if (n->prev && MDOC__A == n->prev->tok)
+		if (NULL == n->next || MDOC__A != n->next->tok)
+			term_word(p, "and");
+
+	return(1);
+}
+
+
+/* ARGSUSED */
+static int
 termp_an_pre(DECL_ARGS)
 {
 
@@ -2097,6 +2111,16 @@ termp_ap_pre(DECL_ARGS)
 static void
 termp____post(DECL_ARGS)
 {
+
+	/*
+	 * Handle lists of authors.  In general, print each followed by
+	 * a comma.  Don't print the comma if there are only two
+	 * authors.
+	 */
+	if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
+		if (NULL == n->next->next || MDOC__A != n->next->next->tok)
+			if (NULL == n->prev || MDOC__A != n->prev->tok)
+				return;
 
 	/* TODO: %U. */
 
--- /dev/null
+++ regress/mdoc/Rs/three_authors.in
@@ -0,0 +1,17 @@
+.Dd May 1, 2009
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+blah blah
+.Pp
+.Rs
+.%A billy-bob
+.%A joe
+.%A frank
+.%T title
+.Re
+.Pp
+and so on
--- /dev/null
+++ regress/mdoc/Rs/one_author.in
@@ -0,0 +1,15 @@
+.Dd May 1, 2009
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+blah blah
+.Pp
+.Rs
+.%A joe
+.%T title
+.Re
+.Pp
+and so on
--- /dev/null
+++ regress/mdoc/Rs/two_authors.in
@@ -0,0 +1,16 @@
+.Dd May 1, 2009
+.Dt FOO 1
+.Os
+.Sh NAME
+.Nm foo
+.Nd bar
+.Sh DESCRIPTION
+blah blah
+.Pp
+.Rs
+.%A joe
+.%A frank
+.%T title
+.Re
+.Pp
+and so on
--
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