===================================================================
RCS file: /cvs/mandoc/mdoc.c,v
retrieving revision 1.103
retrieving revision 1.107
diff -u -p -r1.103 -r1.107
--- mandoc/mdoc.c	2009/08/20 11:44:47	1.103
+++ mandoc/mdoc.c	2009/09/24 15:01:06	1.107
@@ -1,4 +1,4 @@
-/*	$Id: mdoc.c,v 1.103 2009/08/20 11:44:47 kristaps Exp $ */
+/*	$Id: mdoc.c,v 1.107 2009/09/24 15:01:06 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -14,6 +14,8 @@
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#include <sys/types.h>
+
 #include <assert.h>
 #include <ctype.h>
 #include <stdarg.h>
@@ -74,7 +76,8 @@ const	char *const __mdoc_merrnames[MERRMAX] = {		 
 	"unclosed explicit scope", /* EOPEN */
 	"unterminated quoted phrase", /* EQUOTPHR */
 	"closure macro without prior context", /* ENOCTX */
-	"no description found for library" /* ELIB */
+	"no description found for library", /* ELIB */
+	"bad child for parent context", /* EBADCHILD */
 };
 
 const	char *const __mdoc_macronames[MDOC_MAX] = {		 
@@ -230,8 +233,6 @@ mdoc_free(struct mdoc *mdoc)
 {
 
 	mdoc_free1(mdoc);
-	if (mdoc->htab)
-		mdoc_hash_free(mdoc->htab);
 	free(mdoc);
 }
 
@@ -249,13 +250,12 @@ mdoc_alloc(void *data, int pflags, const struct mdoc_c
 	if (cb)
 		(void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
 
+	mdoc_hash_init();
+
 	p->data = data;
 	p->pflags = pflags;
 
-	if (NULL == (p->htab = mdoc_hash_alloc())) {
-		free(p);
-		return(NULL);
-	} else if (mdoc_alloc1(p))
+	if (mdoc_alloc1(p))
 		return(p);
 
 	free(p);
@@ -709,6 +709,12 @@ parsemacro(struct mdoc *m, int ln, char *buf)
 			break;
 		else if (' ' == buf[i])
 			break;
+
+		/* Check for invalid characters. */
+
+		if (isgraph((u_char)buf[i]))
+			continue;
+		return(mdoc_perr(m, ln, i, EPRINT));
 	}
 
 	mac[j] = 0;
@@ -719,7 +725,7 @@ parsemacro(struct mdoc *m, int ln, char *buf)
 		return(1);
 	} 
 	
-	if (MDOC_MAX == (c = mdoc_hash_find(m->htab, mac))) {
+	if (MDOC_MAX == (c = mdoc_hash_find(mac))) {
 		if ( ! macrowarn(m, ln, mac))
 			goto err;
 		return(1);