From 5bc87779fd50ea0cea04c381943d01ab4af6ea31 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 21 Sep 2007 21:02:13 +0000
Subject: * lib/optparse.rb (OptionParser::List::summarize): use each_line if  
 defined rather than each.  [ruby-Patches-14096]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13483 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/optparse.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/optparse.rb b/lib/optparse.rb
index 854805a82a..6fddb81a72 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -632,8 +632,10 @@ class OptionParser
       list.each do |opt|
         if opt.respond_to?(:summarize) # perhaps OptionParser::Switch
           opt.summarize(*args, &block)
-        elsif !opt or opt.empty?
+        elsif !opt
           yield("")
+        elsif opt.respond_to?(:each_line)
+          opt.each_line(&block)
         else
           opt.each(&block)
         end
-- 
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