Status update.
KDP service works in the same manner as PD Service. So I wrote to KDP Team about the issue and I got answer:
Quote:
Did you use fixed layout format to format the content file?
Embedded fonts will convert well to Kindle content only when the original content file is formatted as fixed layout format file.
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I was shocked by this restriction. Kindle Publishing Guidelines does not enforce such requirements:
Quote:
3.11 Embedded Font Guidelines Kindle Format 8 supports embedded fonts within the eBook. These fonts can be either Open Type (OTF) or True Type (TTF). Kindle does not recommend the use of Type 1 (Postscript) fonts. To provide Kindle customers with the best possible reading experience, reflowable books that use Type 1 fonts are rendered using Kindle fonts by default. On KF8-enabled devices and apps, customers have the option to turn publisher-provided fonts on or off.
The font files within the book are intentionally obfuscated to reduce the probability of reuse, but it is the responsibility of the publisher to secure the appropriate license rights for fonts. Unless embedded fonts are necessary to convey intent, Amazon recommends using the default set of fonts installed on Kindle devices and apps because they have been tuned for high quality rendering.
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