I did not create any of these documents except the one you are reading now.
The others originated from https://github.com/danorf69/YACHT which may or
may not be the account of original author, who is anonymous. (At least the
the YACHT document itself does not disclose its authorship.)

I updated the v1.2 document (now named 1.2+). I believe redistributing the
updated document is in keeping with the author's intent. The archive included
a copy of the GPL, and he states in the README that "anyone interested in this
document is free to correct it and is encouraged to do so." I also include
two of the older versions of the document for comparison purposes.

As far as I am concerned, you may freely redistribute any of the included
documents containing "YACHT" in the file name, as I believe that matches
the original author's intent in distributing it alongside a copy of the GPL.

You may contact me through the email address found at the site where you
downloaded this. You are encouraged to notify me if/when this 1.2+ document
is superseded by an official update, so I can remove it.