wheeee, I got at least the fonts problem solved
I checked the .epub file from calibre and got the fonts warning.
So I double-checked on the InDesign .epub file and noticed that the warning was still there.
Educated guess: The problem has definitely to be in InDesign.
I double-checked all the settings for ePub export and found a small, inconspicious check mark, which was activated under "CSS" where InDesign embedded the fonts.
Well, it doesn't embed them now
So it is down to one error:
Quote:
ERROR: /Users/mb/Desktop/ich bin intolerant (9)/ich bin intolerant - Laura Camprubi.epub/titlepage.xhtml(14): value of attribute "preserveAspectRatio" is invalid; must be a string matching the regular expression "\s*(none|xMinYMin|xMidYMin|xMaxYMin|xMinYMid| xMid YMid|xMaxYMid|xMinYMax|xMidYMax|xMaxYMax)\s+(meet| slice)?\s*"
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I'm going to check this one with Sigil...