clip drawings inside the border

Dependencies

• [2] XX7G2FFJ intermingle freehand line drawings with text
• [3] OTIBCAUJ love2d scaffold

Change contents

• replacement in main.lua at line 78
  [2.1463]→[2.1463:1551](∅→∅)
  − local y = love.mouse.getY()

  − if y >= line.y and y < line.y + line.h then
  [2.1463]

  [2.1551]
  + local x, y = love.mouse.getX(), love.mouse.getY()

  + if y >= line.y and y < line.y + line.h and x >= 12 and x < 12+line.w then