Copyright, Licensing etc.

[sk <noname@myob.com>]

Hi,

I have translated a GPL "C" application to Ada and Gnat and I 
would like to release it under the same license.

--
-- License being
--
--   "GNU GENERAL PUBLIC LICENSE Version 2, June 1991"
--

However, I want to ensure 3 things :

1) That I do not "offend" the original author 
2) That I do not infringe upon the original copyright and
   licensing.
3) That I properly cover any loop-holes and keep the
   derivation within the same GPL license.

For item 1, I need to initiate communications with the
original author, I have done so and I am awaiting a 
reply.

However, for items 2) and 3) does the following both
fully honor the original work and stop my derivation
from escaping the GPL ?

--------------------------------------------------------------
--
-- This file : My_File_Name is part of My_Project_Name
--
-- My_Project_Name is a a derivation of Original_Project_Name
--
-- Original_Project_Name Original_Project_Copyright
--
-- My_Project_Name  My_Copyright_Notice.
--
-- <THE REMAINING GPL LICENSE FILE HEADER>
--

Do I in fact have any copyrights to the derivation ?

I have read the original license, but I am having trouble
distinguishing between the domain of the original material
and the domain of my translation.

I would appreciate any pointers from people who have 
experience in C to Ada translations and the subsequent
release of their derivations.

-- 
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