Comments regarding laszip_2.2.0-1_amd64.changes

[Thorsten Alteholz]

Dear Maintainer,

some files contain the following remark:
  // Permission to copy and redistribute this code is hereby granted, provided -
  // that this warning and copyright notices are not removed or altered.       -

This does not allow modification. Can you please explain why this code can be 
licensed under LGPL?

Thanks!
 Thorsten