From 0c3ba556a2d44e0594d8438c41d41b8a561d9e01 Mon Sep 17 00:00:00 2001
From: aiju <devnull@localhost>
Date: Thu, 15 Sep 2016 09:13:22 +0000
Subject: pc(1): _ handling in numbers was broken at some point; restore
 documented behaviour

---
 sys/src/cmd/pc.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/cmd/pc.y b/sys/src/cmd/pc.y
index 331f35f35..e7eafad79 100644
--- a/sys/src/cmd/pc.y
+++ b/sys/src/cmd/pc.y
@@ -527,7 +527,7 @@ yylex(void)
 	if(c == '\n') prompted = 0;
 	if(isdigit(c)){
 		for(p = buf, *p++ = c; c = Bgetc(in), isalnum(c) || c == '_'; )
-			if(p < buf + sizeof(buf) - 1)
+			if(p < buf + sizeof(buf) - 1 && c != '_')
 				*p++ = c;
 		*p = 0;
 		Bungetc(in);
-- 
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