my notes,

I have had no problems editing stats files in wordpad, simply ignore all error messages from wordpad regarding saving the file,
and ENSURE you have all the TABS correct,
compare your work to an original and check you have placed your edit the correct number of tabs from it's neighbours,

if you cannot be certain copy the text out, then insert the correct number of tabs and insert your text BETWEEN the tabs!

and BEFORE you upload your creation CHECK the desired results occur,


and REMEMBER you cannot play online with an edited stats file, all parties to the game must have the exact same version or the program assumes you are cheating and will not let you join a game,
or if there is an error and you do succeed in joining a game you will go out of sync and be dropped just after deployment, Which ruins it for everybody,

Until the stats file in use (unit_prod) is standardised USE your originals only when playing online
:-)