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-rw-r--r--lib/rdoc/options.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rdoc/options.rb b/lib/rdoc/options.rb
index 45b69186f97..7b3a23ca5c9 100644
--- a/lib/rdoc/options.rb
+++ b/lib/rdoc/options.rb
@@ -366,7 +366,7 @@ Usage: #{opt.program_name} [options] [names...]
end
end
- if ignored and not quiet then
+ unless ignored.empty? or quiet then
$stderr.puts "invalid options: #{ignored.join ', '}"
$stderr.puts '(invalid options are ignored)'
end