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module I18n
module Backend
module InterpolationFallbacks
def translate(locale, key, options = {})
return super if options[:fallback]
default = extract_string_or_lambda_default!(options) if options[:default]
options.merge!(:default => default) if default
options[:fallback] = true
I18n.fallbacks[locale].each do |fallback|
begin
result = super(fallback, key, options)
return result unless result.nil?
rescue I18n::MissingInterpolationArgument
end
end
options.delete(:fallback)
return super(locale, nil, options) if default
raise(I18n::MissingInterpolationArgument.new(options, "key: #{key} in locale: #{locale}"))
end
end
end
end
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