First, thanks for creating the whole set of Han Nom Font,
which has covered the whole range of CJK Ext A and CJK Ext B.
This is a lot of work, well done!
I don't speak Vietnamese, but I found out about the Han Nom Font from the following pages written in English:
http://www.viethoc.org/index.php?module ... &ANN_id=98
http://vietunicode.sourceforge.net/font ... annom.html
It is very fortunate that the Han Nom font set has been tested to be usable under Linux and Mac OS X as well, in addition to Windows. From the announcement page in the first link above, I noticed this statement near the end:
This non-profit endeavor required a great deal of time, work, and intellect from many people. Its use for commercial purposes is strictly forbidden.
Copyrighted by the compilers of the Dictionary of Excerpts from Writings in Nom Characters and the developers of the Nom fonts and Han-Nom keyboard.
So can it be considered as the official license statement for the font set? What about the distribution rights -- am I allowed to distribute the Han Nom font set as long as I follow the "non-commercial use" condition?
If it is so, wouldn't it be a good idea to attach a "License.txt" file into the zip package, clarifying the license under which the font set can be used and distributed?
I know a lot of CJK users will be interested to use the Han Nom font set, but worry about the license because they can't read Vietnamese and cannot be sure whether it's legal to use it, for instance, under Linux and other operating systems. A clear statement written in a "License.txt" file will do a lot to clear up the unknown condition whether it is legal to use or distribute the font under certain condition (which, in this case, is non-commercial use only).