From 23420c24937a8899bf1cfb900b9a5155b6f924ae Mon Sep 17 00:00:00 2001
From: mmnmnnmnmm <45293514+mmnmnnmnmm@users.noreply.github.com>
Date: Tue, 28 Jul 2020 20:09:53 +0100
Subject: [PATCH] deroff: fix out-of-bounds access if runes above 0X80 are
 inside EQ clauses

---
 src/cmd/deroff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cmd/deroff.c b/src/cmd/deroff.c
index 0ad08375..4c48989c 100644
--- a/src/cmd/deroff.c
+++ b/src/cmd/deroff.c
@@ -745,7 +745,7 @@ eqn(void)
 		}
 		if(c != '\n')
 			while(C1 != '\n') {
-				if(chars[c] == PUNCT)
+				if(charclass(c) == PUNCT)
 					last = c;
 				else
 				if(c != ' ')