Thanks all for your infos. It's a big first for me to know something can be unentified but not erased.
I'll try this clever regex expression, it will be an opportunity to use 0.53.
Will for sure come back on it after trials.
Originally Posted by Jellby
I don't know what Sigil does, but my reader (Cybook Orizon, which uses an Adobe engine internally) supports it fine, at least with the fonts I use.
/hopeful / Could you name one of them (if possible, free, regular, serif) ?
supports it "fine" : That's exactly the word to use!