Example of multiple indents across columns with Prawn

gistfile1.rb

$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), 'prawn', 'lib'))
require 'rubygems'
require 'prawn'
require 'prawn/security'
require "prawn/layout"
Prawn.debug = true

Prawn::Document.generate "column_indent_bug.pdf" do
  column_box([0, cursor], width: 500, height: 700, columns: 3, spacer: 25) do
    font_size 10
    3.times do
      stroke_bounds
      text "No indent", style: :bold
      text "left_side #{bounds.left_side}", style: :italic
      text "left #{bounds.left}; right #{bounds.right}", style: :italic
      text "width #{bounds.width}", style: :italic
      text "Loremipsumdolorsitamet,consecteturadipisicingelit,seddoeiusmodtemporincididuntutlaboreetdoloremagnaaliqua.Utenimadminimveniam,quisnostrudexercitationullamcolaborisnisiutaliquipexeacommodoconsequat."
      indent(20,10) do
        text "Indent 20, 10", style: :bold
        text "left_side #{bounds.left_side}", style: :italic
        text "left #{bounds.left}; right #{bounds.right}", style: :italic
        text "width #{bounds.width}", style: :italic
        text "Loremipsumdolorsitamet,consecteturadipisicingelit,seddoeiusmodtemporincididuntutlaboreetdoloremagnaaliqua.Utenimadminimveniam,quisnostrudexercitationullamcolaborisnisiutaliquipexeacommodoconsequat."
        indent(10, -10) do
          text "Indent 10, -10", style: :bold
          text "left #{bounds.left}; right #{bounds.right}", style: :italic
          text "width #{bounds.width}", style: :italic
          text "Loremipsumdolorsitamet,consecteturadipisicingelit,seddoeiusmodtemporincididuntutlaboreetdoloremagnaaliqua.Utenimadminimveniam,quisnostrudexercitationullamcolaborisnisiutaliquipexeacommodoconsequat."
        end
        text "done indenting"
      end
      text "done indenting"
      bounds.move_past_bottom
    end
  end
end
system "open column_indent_bug.pdf"
puts "done."