# File lib/asciidoctor/reader.rb, line 243 def peek_lines(number = 1) lines = [] idx = 0 (1..number).each do if @preprocess_source && !@next_line_preprocessed advanced = preprocess_next_line break if advanced.nil? || @eof || (@eof = @lines.empty?) idx = 0 if advanced end break if idx >= @lines.size # QUESTION do we need to dup? lines << @lines[idx].dup idx += 1 end lines end