shame for Adobe!!! Iriver store has problems with romanian diacritics! in epub. because Adobe Digital Edition. What kind of comp. is Adobe? Shame!!
No, the font chosen, doesn't have the glyphs, if the author wants the diacritics (or other glyphs) to be there, then they need to make sure the font has them (or embed one of their own).
Shame on you for blaming Adobe!!!
If you read Jim Lester's answer, the data to display in the file does not
have a displayable character., so Adobe displays a question mark because it
can't display the data that is not correct.
What would you do if the data you've been asked to display does not have a
A .doc file is not an .epub, and I'm willing to bet that the PDF will display just fine.
The problem really is that there isn't a font embedded that supports the glyphs used,