## Works
require 'prawn'
    Prawn::Document.generate 'test.pdf' do |p|
        p.bounding_box([0, 280], :width => 550, :height => 26) do
        p.stroke_bounds
          p.bounding_box([5, p.bounds.top], :width => 150, :height => 25) do
            p.text_box("Some Text1", :width => 150, :height => 15, :padding => 2)
            p.stroke_rectangle(p.bounds.top_left, 150, 15)
          end
          p.bounding_box([165, p.bounds.top], :width => 150, :height => 25) do
            p.text_box("Some Text2", :width => 150, :height => 15, :padding => 2)
            p.stroke_rectangle(p.bounds.top_left, 150, 15)
          end
          p.bounding_box([335, p.bounds.top], :width => 150, :height => 25) do
            p.text_box("Some Text3", :width => 150, :height => 15, :padding => 2)
            p.stroke_rectangle(p.bounds.top_left, 150, 15)
          end
        end
    end
#In this version, the unlabeled boxes line up side by side, as required.

## Doesn't work

require 'prawn'
    Prawn::Document.generate 'test.pdf' do |p|
        p.bounding_box([0, 280], :width => 550, :height => 26) do
        p.stroke_bounds
          p.bounding_box([5, p.bounds.top], :width => 150, :height => 25) do
            p.text_box("Some Text1", :width => 150, :height => 15, :padding => 2)
            p.stroke_rectangle(p.bounds.top_left, 150, 15)
            p.text("small label text1")
          end
          p.bounding_box([165, p.bounds.top], :width => 150, :height => 25) do
            p.text_box("Some Text2", :width => 150, :height => 15, :padding => 2)
            p.stroke_rectangle(p.bounds.top_left, 150, 15)
            p.text("small label text2")
          end
          p.bounding_box([335, p.bounds.top], :width => 150, :height => 25) do
            p.text_box("Some Text3", :width => 150, :height => 15, :padding => 2)
            p.stroke_rectangle(p.bounds.top_left, 150, 15)
            p.text("small label text3")
          end
        end
    end
#In this second case, all three labeled form items will come out looking fantastic, but on three separate pages.