Exercise entities, remove dead function.

coverage-table.md

@@ -1,19 +1,19 @@
 | Files | Coverage |
 |-------|----------|
-| autolink.c | 65.73% | 
-| buffer.c | 71.91% | 
-| diff.c | 79.40% | 
-| document.c | 74.01% | 
-| entity.c | 40.74% | 
-| gemini.c | 65.91% | 
-| html.c | 66.51% | 
-| html_escape.c | 87.65% | 
-| latex.c | 64.08% | 
-| library.c | 80.14% | 
-| libdiff.c | 94.05% | 
-| nroff.c | 71.38% | 
-| odt.c | 63.64% | 
-| smartypants.c | 83.89% | 
-| term.c | 67.54% | 
-| tree.c | 34.84% | 
-| util.c | 6.38% | 
+| [autolink.c](https://github.com/kristapsdz/lowdown/blob/master/autolink.c) | 65.73% | 
+| [buffer.c](https://github.com/kristapsdz/lowdown/blob/master/buffer.c) | 71.91% | 
+| [diff.c](https://github.com/kristapsdz/lowdown/blob/master/diff.c) | 79.40% | 
+| [document.c](https://github.com/kristapsdz/lowdown/blob/master/document.c) | 81.17% | 
+| [entity.c](https://github.com/kristapsdz/lowdown/blob/master/entity.c) | 75.31% | 
+| [gemini.c](https://github.com/kristapsdz/lowdown/blob/master/gemini.c) | 65.91% | 
+| [html.c](https://github.com/kristapsdz/lowdown/blob/master/html.c) | 74.50% | 
+| [html_escape.c](https://github.com/kristapsdz/lowdown/blob/master/html_escape.c) | 87.65% | 
+| [latex.c](https://github.com/kristapsdz/lowdown/blob/master/latex.c) | 64.72% | 
+| [library.c](https://github.com/kristapsdz/lowdown/blob/master/library.c) | 80.14% | 
+| [libdiff.c](https://github.com/kristapsdz/lowdown/blob/master/libdiff.c) | 94.05% | 
+| [nroff.c](https://github.com/kristapsdz/lowdown/blob/master/nroff.c) | 74.28% | 
+| [odt.c](https://github.com/kristapsdz/lowdown/blob/master/odt.c) | 63.64% | 
+| [smartypants.c](https://github.com/kristapsdz/lowdown/blob/master/smartypants.c) | 83.89% | 
+| [term.c](https://github.com/kristapsdz/lowdown/blob/master/term.c) | 67.54% | 
+| [tree.c](https://github.com/kristapsdz/lowdown/blob/master/tree.c) | 34.84% | 
+| [util.c](https://github.com/kristapsdz/lowdown/blob/master/util.c) | 56.76% | 

extern.h

@@ -70,7 +70,6 @@ int		 hesc_href(struct lowdown_buf *, const char *, size_t);
 int		 hesc_html(struct lowdown_buf *, const char *, size_t, int, int, int);
 
 char		*rcsdate2str(const char *);
-char		*date2str(const char *);
 char		*rcsauthor2str(const char *);
 
 #endif /* !EXTERN_H */

regress/entities.html

@@ -0,0 +1 @@
+<p>a &#8211; b &#8211; c &#8211; a</p>

regress/entities.latex

@@ -0,0 +1,2 @@
+
+a -- b -- c -- a

regress/entities.man

@@ -0,0 +1,2 @@
+.PP
+a \(en b \(en c \(en a

regress/entities.md

@@ -0,0 +1,2 @@
+
+a – b – c – a

util.c

@@ -114,29 +114,3 @@ rcsauthor2str(const char *v)
 
 	return buf;
 }
-
-/*
- * Convert an ISO date (y/m/d or y-m-d) to a canonical form.
- * Returns NULL if the string is malformed at all or the date otherwise.
- */
-char *
-date2str(const char *v)
-{
-	unsigned int	y, m, d;
-	int		rc;
-	static char	buf[32];
-
-	if (NULL == v)
-		return(NULL);
-
-	rc = sscanf(v, "%u/%u/%u", &y, &m, &d);
-	if (3 != rc) {
-		rc = sscanf(v, "%u-%u-%u", &y, &m, &d);
-		if (3 != rc)
-			return(NULL);
-	}
-
-	snprintf(buf, sizeof(buf), "%u-%.2u-%.2u", y, m, d);
-	return(buf);
-}
-