===================================================================
RCS file: /cvs/mandoc/roff.c,v
retrieving revision 1.150
retrieving revision 1.152
diff -u -p -r1.150 -r1.152
--- mandoc/roff.c	2011/07/23 18:41:18	1.150
+++ mandoc/roff.c	2011/07/26 14:09:01	1.152
@@ -1,4 +1,4 @@
-/*	$Id: roff.c,v 1.150 2011/07/23 18:41:18 kristaps Exp $ */
+/*	$Id: roff.c,v 1.152 2011/07/26 14:09:01 kristaps Exp $ */
 /*
  * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -404,6 +404,7 @@ roff_alloc(struct mparse *parse)
 static int
 roff_res(struct roff *r, char **bufp, size_t *szp, int ln, int pos)
 {
+	enum mandoc_esc	 esc;
 	const char	*stesc;	/* start of an escape sequence ('\\') */
 	const char	*stnam;	/* start of the name, after "[(*" */
 	const char	*cp;	/* end of the name, e.g. before ']' */
@@ -426,9 +427,20 @@ roff_res(struct roff *r, char **bufp, size_t *szp, int
 
 		if ('\0' == *cp)
 			return(1);
-		if ('*' != *cp++)
+
+		if ('*' != *cp) {
+			res = cp;
+			esc = mandoc_escape(&cp, NULL, NULL);
+			if (ESCAPE_ERROR != esc)
+				continue;
+			mandoc_msg(MANDOCERR_BADESCAPE, 
+					r->parse, ln, pos, NULL);
+			cp = res;
 			continue;
+		}
 
+		cp++;
+
 		/*
 		 * The third character decides the length
 		 * of the name of the string.
@@ -584,15 +596,13 @@ roff_endparse(struct roff *r)
 	if (r->eqn) {
 		mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, 
 				r->eqn->eqn.ln, r->eqn->eqn.pos, NULL);
-		eqn_end(r->eqn);
-		r->eqn = NULL;
+		eqn_end(&r->eqn);
 	}
 
 	if (r->tbl) {
 		mandoc_msg(MANDOCERR_SCOPEEXIT, r->parse, 
 				r->tbl->line, r->tbl->pos, NULL);
-		tbl_end(r->tbl);
-		r->tbl = NULL;
+		tbl_end(&r->tbl);
 	}
 }
 
@@ -1182,9 +1192,8 @@ roff_TE(ROFF_ARGS)
 	if (NULL == r->tbl)
 		mandoc_msg(MANDOCERR_NOSCOPE, r->parse, ln, ppos, NULL);
 	else
-		tbl_end(r->tbl);
+		tbl_end(&r->tbl);
 
-	r->tbl = NULL;
 	return(ROFF_IGN);
 }
 
@@ -1201,14 +1210,22 @@ roff_T_(ROFF_ARGS)
 	return(ROFF_IGN);
 }
 
-/* ARGSUSED */
-static enum rofferr
-roff_EQ(ROFF_ARGS)
+int
+roff_closeeqn(struct roff *r)
 {
-	struct eqn_node	*e;
 
+	return(r->eqn && ROFF_EQN == eqn_end(&r->eqn) ? 1 : 0);
+}
+
+void
+roff_openeqn(struct roff *r, const char *name, int line, 
+		int offs, const char *buf)
+{
+	struct eqn_node *e;
+	int		 poff;
+
 	assert(NULL == r->eqn);
-	e = eqn_alloc(*bufp + pos, ppos, ln, r->parse);
+	e = eqn_alloc(name, offs, line, r->parse);
 
 	if (r->last_eqn)
 		r->last_eqn->next = e;
@@ -1216,6 +1233,19 @@ roff_EQ(ROFF_ARGS)
 		r->first_eqn = r->last_eqn = e;
 
 	r->eqn = r->last_eqn = e;
+
+	if (buf) {
+		poff = 0;
+		eqn_read(&r->eqn, line, buf, offs, &poff);
+	}
+}
+
+/* ARGSUSED */
+static enum rofferr
+roff_EQ(ROFF_ARGS)
+{
+
+	roff_openeqn(r, *bufp + pos, ln, ppos, NULL);
 	return(ROFF_IGN);
 }
 
@@ -1236,7 +1266,7 @@ roff_TS(ROFF_ARGS)
 
 	if (r->tbl) {
 		mandoc_msg(MANDOCERR_SCOPEBROKEN, r->parse, ln, ppos, NULL);
-		tbl_end(r->tbl);
+		tbl_end(&r->tbl);
 	}
 
 	t = tbl_alloc(ppos, ln, r->parse);
@@ -1471,4 +1501,11 @@ roff_eqn(const struct roff *r)
 {
 	
 	return(r->last_eqn ? &r->last_eqn->eqn : NULL);
+}
+
+char
+roff_eqndelim(const struct roff *r)
+{
+
+	return('\0');
 }