# File lib/puppet/parser/lexer.rb, line 514
514:     def getcomment(line = nil)
515:         comment = @commentstack.last
516:         if line.nil? or comment[1] <= line
517:             @commentstack.pop
518:             @commentstack.push(['', @line])
519:             return comment[0]
520:         end
521:         return ''
522:     end