Probably I am doing something wrong but maybe there are also bugs.

"-text string" "-addtext"
"text" or "addtext" ??? XNview generates "addtext" and NC does NOT
recognize it.
The text itself must be quoted ?
How to set position, rotation, colours, font and size etc. ? I tried something
but it gets mostly ignored.
Could you provide a more detailed manual, as a text file bundled with
NCONVERT, not only in this forum ? The texts in latest NCONVERT package
are outdated and don't provide too much info on syntax and examples.
Fonts: What fonts are available, or where do they come from ?