C:\released_code\lastools\bin> lasdiff 1.2-with-color.las
checking '1.2-with-color.las' against '1.2-with-color.laz'
headers are different
  different offset_to_point_data: 229 227
  different min_z: 406.59 406.59
skipping check of user-defined data in header due to length difference (2 != 0)
headers have 3 differences.
raw points are identical.
both have 1065 points. took 0.046 secs.