commit 1f1ab4ccbbec9c92b780f6a60ff9730126659a87
from: Russ Cox <rsc@swtch.com>
date: Mon Jun 19 13:51:23 2017 UTC

lib9: fix needsrcquote

As written, it is passing a rune to strchr, which likely ignores
all but the bottom 8 bits of the rune. Long-standing Plan 9 bug too.

Fixes #87.

Change-Id: I6a833373b308bed8760d6989972c7f77b4ef3838
Reviewed-on: https://plan9port-review.googlesource.com/2921
Reviewed-by: Russ Cox <rsc@swtch.com>

commit - 3ebbd193dce0724e106ec9af627a3782676ae510
commit + 1f1ab4ccbbec9c92b780f6a60ff9730126659a87
blob - f4cf460cf38c2b3561923376fc3878b04d5a0558
blob + a9e62bc6e28033a7b4e970fdab1398c3637258b1
--- src/lib9/needsrcquote.c
+++ src/lib9/needsrcquote.c
@@ -4,7 +4,7 @@
 int
 needsrcquote(int c)
 {
-	if(c <= ' ')
+	if(c <= ' ' || c >= 0x80)
 		return 1;
 	if(strchr("`^#*[]=|\\?${}()'<>&;", c))
 		return 1;