# File lib/asciidoctor/substitutors.rb, line 371 def sub_quotes(text) if ::RUBY_ENGINE_OPAL result = text QUOTE_SUBS[@document.compat_mode].each {|type, scope, pattern| result = result.gsub(pattern) { convert_quoted_text $~, type, scope } } else # NOTE interpolation is faster than String#dup result = %(#{text}) # NOTE using gsub! here as an MRI Ruby optimization QUOTE_SUBS[@document.compat_mode].each {|type, scope, pattern| result.gsub!(pattern) { convert_quoted_text $~, type, scope } } end result end