From 0f5a8855b61a779d7234b7c66c3a329e658cf805 Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Mon, 13 Dec 2021 00:30:13 -0500
Subject: [PATCH] kill compiler warning on unsigned char platforms

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

diff --git a/src/man/main.c b/src/man/main.c
index 1671b52a8..575a9cd11 100644
--- a/src/man/main.c
+++ b/src/man/main.c
@@ -261,7 +261,7 @@ trofftrie(void){
     }
     struct troffnode* n = root;
     for(const char* s = t->symbol ; *s ; ++s){
-      if(*s < 0){ // illegal symbol
+      if(*s <= 0){ // illegal symbol
         fprintf(stderr, "illegal symbol: %s\n", t->symbol);
         goto err;
       }