#
# stolen from OpenWRT
#
# https://dev.openwrt.org/attachment/ticket/7993/701-make_unicode_printable.patch
#

--- a/libbb/printable_string.c	2013-01-13 20:06:04.210089516 +0800
+++ b/libbb/printable_string.c	2013-01-13 20:00:27.917211167 +0800
@@ -31,8 +31,6 @@
 		}
 		if (c < ' ')
 			break;
-		if (c >= 0x7f)
-			break;
 		s++;
 	}
 
@@ -45,7 +43,7 @@
 			unsigned char c = *d;
 			if (c == '\0')
 				break;
-			if (c < ' ' || c >= 0x7f)
+			if (c < ' ')
 				*d = '?';
 			d++;
 		}