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-rw-r--r--lib/optparse.rb9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/optparse.rb b/lib/optparse.rb
index 86681235a0..f457b072a9 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -632,7 +632,7 @@ class OptionParser
list.each do |opt|
if opt.respond_to?(:summarize) # perhaps OptionParser::Switch
opt.summarize(*args, &block)
- elsif !opt
+ elsif !opt or opt.empty?
yield("")
elsif opt.respond_to?(:each_line)
opt.each_line(&block)
@@ -1605,6 +1605,13 @@ class OptionParser
argv
end
+ def set_backtrace(array)
+ unless $DEBUG
+ array.delete_if(&%r"\A#{Regexp.quote(__FILE__)}:"o.method(:=~))
+ end
+ super(array)
+ end
+
def set_option(opt, eq)
if eq
@args[0] = opt