From cbbdb4e5a2eb46750d3c455def99486d23fc625b Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 31 Oct 2019 00:54:50 +0900
Subject: [ruby/racc] Strip trailing whitespaces at the last line of actions

https://github.com/ruby/racc/commit/a887ebe529
---
 lib/racc/grammarfileparser.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/racc')

diff --git a/lib/racc/grammarfileparser.rb b/lib/racc/grammarfileparser.rb
index ff7c682f7d..3ae539a4de 100644
--- a/lib/racc/grammarfileparser.rb
+++ b/lib/racc/grammarfileparser.rb
@@ -450,6 +450,7 @@ module Racc
             nest -= 1
             if nest == 0
               @in_block = nil
+              buf.sub!(/[ \t\f]+\z/, '')
               return buf
             end
             buf << (pre = ch)
-- 
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