Thank you for answering about this issue.
Burning in general, and ImgBurn in particular, is quite new to me, so I don't know why the defaults are opposite options in this case. I mean, while under ISO9660 standard, the default is to add version number; under Joliet - an extension of the same ISO9660 - the default is NOT to add this version number.
A) Could someone explain why these 2 defaults are as they are and when each should be changed?
Maybe the author could evaluate changing the description of this option to be the same under both tabs, ISO9660 and Joliet. While doing this, if the defaults for each tab should be as described before, then one default status could be checked, and the other one unchecked (Actually, Cynthia "wrongly" described these 2 options in this way in her Guide).
I'm not 100% sure which is better, if describing this option should be the same, and the checkbox status should be different; or otherwise leaving the checkbox at the same default status while describing this option differently - as it is now in 2.4.2.0 version. I leave this thought to the author.
The aim should be making this option understandable for the user in both tabs. This includes making clear when and why to check/uncheck each one, so the user could decide with confidence before burning.
Aside from this thoughts, I don't know if the PDF version of Cynthia's Guide is correct, since I didn't download it.
I would appreciate if someone (the author?) could comment about this thoughts/suggestion, and maybe even could answer my question (A). Thank you in advance.