Tuned the initial eqn output, making it completely simple. This

completes a full initial eqn system, so I'm tagging a release on it.

4 files changed, 52 insertions, 66 deletions

diff --git a/Makefile b/Makefile
index eceee4fd..ceeaab60 100644
--- a/Makefile
+++ b/Makefile
@@ -11,8 +11,8 @@
 # in the lower-left hand corner of -mdoc manuals.
 # CFLAGS	+= -DOSNAME="\"OpenBSD 4.5\""
 
-VERSION		 = 1.11.4
-VDATE		 = 12 July 2011
+VERSION		 = 1.11.5
+VDATE		 = 24 July 2011
 # IFF your system supports multi-byte functions (setlocale(), wcwidth(),
 # putwchar()) AND has __STDC_ISO_10646__ (that is, wchar_t is simply a
 # UCS-4 value) should you define USE_WCHAR.  If you define it and your
diff --git a/eqn_html.c b/eqn_html.c
index 78e11d43..80c82f1d 100644
--- a/eqn_html.c
+++ b/eqn_html.c
@@ -1,4 +1,4 @@
-/*	$Id: eqn_html.c,v 1.1 2011/07/23 22:57:13 kristaps Exp $ */
+/*	$Id: eqn_html.c,v 1.2 2011/07/24 10:09:03 kristaps Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -27,10 +27,16 @@
 #include "out.h"
 #include "html.h"
 
+static	const enum htmltag fontmap[EQNFONT__MAX] = {
+	TAG_SPAN, /* EQNFONT_NONE */
+	TAG_SPAN, /* EQNFONT_ROMAN */
+	TAG_B, /* EQNFONT_BOLD */
+	TAG_B, /* EQNFONT_FAT */
+	TAG_I /* EQNFONT_ITALIC */
+};
+
+
 static void	eqn_box(struct html *, const struct eqn_box *);
-static void	eqn_box_post(struct html *, const struct eqn_box *);
-static void	eqn_box_pre(struct html *, const struct eqn_box *);
-static void	eqn_text(struct html *, const struct eqn_box *);
 
 void
 print_eqn(struct html *p, const struct eqn *ep)
@@ -51,39 +57,25 @@ print_eqn(struct html *p, const struct eqn *ep)
 static void
 eqn_box(struct html *p, const struct eqn_box *bp)
 {
+	struct tag	*t;
 
-	eqn_box_pre(p, bp);
-	eqn_text(p, bp);
-
-	if (bp->first)
-		eqn_box(p, bp->first);
-
-	eqn_box_post(p, bp);
-
-	if (bp->next)
-		eqn_box(p, bp->next);
-}
-
-static void
-eqn_box_pre(struct html *p, const struct eqn_box *bp)
-{
+	t = EQNFONT_NONE == bp->font ? NULL : 
+		print_otag(p, fontmap[(int)bp->font], 0, NULL);
 
 	if (bp->left)
 		print_text(p, bp->left);
-}
+	
+	if (bp->text)
+		print_text(p, bp->text);
 
-static void
-eqn_box_post(struct html *p, const struct eqn_box *bp)
-{
+	if (bp->first)
+		eqn_box(p, bp->first);
 
+	if (NULL != t)
+		print_tagq(p, t);
 	if (bp->right)
 		print_text(p, bp->right);
-}
 
-static void
-eqn_text(struct html *p, const struct eqn_box *bp)
-{
-
-	if (bp->text)
-		print_text(p, bp->text);
+	if (bp->next)
+		eqn_box(p, bp->next);
 }
diff --git a/eqn_term.c b/eqn_term.c
index 59671e84..cfbd8d48 100644
--- a/eqn_term.c
+++ b/eqn_term.c
@@ -1,4 +1,4 @@
-/*	$Id: eqn_term.c,v 1.3 2011/07/23 22:57:13 kristaps Exp $ */
+/*	$Id: eqn_term.c,v 1.4 2011/07/24 10:09:03 kristaps Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -27,10 +27,15 @@
 #include "out.h"
 #include "term.h"
 
+static	const enum termfont fontmap[EQNFONT__MAX] = {
+	TERMFONT_NONE, /* EQNFONT_NONE */
+	TERMFONT_NONE, /* EQNFONT_ROMAN */
+	TERMFONT_BOLD, /* EQNFONT_BOLD */
+	TERMFONT_BOLD, /* EQNFONT_FAT */
+	TERMFONT_UNDER /* EQNFONT_ITALIC */
+};
+
 static void	eqn_box(struct termp *, const struct eqn_box *);
-static void	eqn_box_post(struct termp *, const struct eqn_box *);
-static void	eqn_box_pre(struct termp *, const struct eqn_box *);
-static void	eqn_text(struct termp *, const struct eqn_box *);
 
 void
 term_eqn(struct termp *p, const struct eqn *ep)
@@ -38,6 +43,7 @@ term_eqn(struct termp *p, const struct eqn *ep)
 
 	p->flags |= TERMP_NONOSPACE;
 	eqn_box(p, ep->root);
+	term_word(p, " ");
 	p->flags &= ~TERMP_NONOSPACE;
 }
 
@@ -45,38 +51,26 @@ static void
 eqn_box(struct termp *p, const struct eqn_box *bp)
 {
 
-	eqn_box_pre(p, bp);
-	eqn_text(p, bp);
-
-	if (bp->first)
-		eqn_box(p, bp->first);
-
-	eqn_box_post(p, bp);
-
-	if (bp->next)
-		eqn_box(p, bp->next);
-}
-
-static void
-eqn_box_pre(struct termp *p, const struct eqn_box *bp)
-{
-
+	if (EQNFONT_NONE != bp->font)
+		term_fontpush(p, fontmap[(int)bp->font]);
 	if (bp->left)
 		term_word(p, bp->left);
-}
+	if (EQN_SUBEXPR == bp->type)
+		term_word(p, "(");
 
-static void
-eqn_box_post(struct termp *p, const struct eqn_box *bp)
-{
+	if (bp->text)
+		term_word(p, bp->text);
 
+	if (bp->first)
+		eqn_box(p, bp->first);
+
+	if (EQN_SUBEXPR == bp->type)
+		term_word(p, ")");
 	if (bp->right)
 		term_word(p, bp->right);
-}
+	if (EQNFONT_NONE != bp->font) 
+		term_fontpop(p);
 
-static void
-eqn_text(struct termp *p, const struct eqn_box *bp)
-{
-
-	if (bp->text)
-		term_word(p, bp->text);
+	if (bp->next)
+		eqn_box(p, bp->next);
 }
diff --git a/index.sgml b/index.sgml
index fd1a9065..0fc114ae 100644
--- a/index.sgml
+++ b/index.sgml
@@ -311,14 +311,14 @@
 			<A NAME="news">News</A>
 		</H1>
 		<P CLASS="news">
-			xx-07-2011: version 1.11.5
+			24-07-2011: version 1.11.5
 		</P>
 		<P>
 			Significant <A HREF="eqn.7.html">eqn</A> improvements.  <SPAN CLASS="nm">mdocml</SPAN> can now parse arbitrary eqn input
 			(although few GNU extensions are accepted, nor is mixing low-level roff with eqn).  See the <A HREF="eqn.7.html">eqn</A>
 			manual for details.  For the time being, equations are rendered as simple in-line text.  The equation parser satisfies
 			the language specified in the <A CLASS="external" HREF="http://www.kohala.com/start/troff/v7man/eqn/eqn2e.ps">Second
-			Edition eqn User's Guide</A>.
+			Edition User's Guide</A>.
 		</P>
 		<P CLASS="news">
 			12-07-2011: version 1.11.4
@@ -366,7 +366,7 @@
 			<SMALL>
 				Copyright &#169; 2008&#8211;2011 
 				<A CLASS="external" HREF="http://kristaps.bsd.lv">Kristaps Dzonsons</A>, 
-				$Date: 2011/07/23 18:41:18 $
+				$Date: 2011/07/24 10:09:03 $
 			</SMALL>
 		</P>
 	</BODY>