From 806c80ef1d9f307a8386c90d661a9d26f212190c Mon Sep 17 00:00:00 2001
From: Kristaps Dzonsons <kristaps@bsd.lv>
Date: Sat, 23 Jul 2011 13:31:03 +0000
Subject: Raise a warning when text follows the `EN'.

---
 eqn.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/eqn.c b/eqn.c
index ffdf7a96..8cdef7b6 100644
--- a/eqn.c
+++ b/eqn.c
@@ -285,9 +285,15 @@ eqn_read(struct eqn_node **epp, int ln,
 	 * validate the full equation.
 	 */
 
-	if (0 == strcmp(p, ".EN")) {
+	if (0 == strncmp(p, ".EN", 3)) {
 		er = eqn_end(ep);
 		*epp = NULL;
+		p += 3;
+		while (' ' == *p || '\t' == *p)
+			p++;
+		if ('\0' == *p) 
+			return(er);
+		mandoc_msg(MANDOCERR_ARGSLOST, ep->parse, ln, pos, NULL);
 		return(er);
 	}
 
-- 
cgit