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# frozen_string_literal: true
##
# Allows an ERB template to be rendered in the context (binding) of an
# existing ERB template evaluation.

class RDoc::ERBPartial < ERB

  ##
  # Overrides +compiler+ startup to set the +eoutvar+ to an empty string only
  # if it isn't already set.

  def set_eoutvar compiler, eoutvar = '_erbout'
    super

    compiler.pre_cmd = ["#{eoutvar} ||= +''"]
  end

end