Quote:
Originally Posted by nabsltd
It's still better than MOBI, because more types of formatting are supported.
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Only Mobipocket PDB is worse than mobi.
Old KF7 Mobi was obsolete before the first Kindle (2007). Obsolete in 2005 when Amazon bought mobipocket. Basically only four font faces, subset HTML3, only really Roman-Latin with a little Greek. No LTR text. Earlier mobi PDB only did ASCII.
The ancestor of epub2 was released in 1998.
Fonts, LTR, extended character sets all solved issues by 1994, and on some systems in 1980s!
Amazon's Labs123 was pathetic choosing Mobi. At least they back-ported the azw3/KF8 to every older Kindle with enough RAM (So K3 is earliest, but not the slightly later DXG because it was just a screen upgrade of older DX, not enough RAM).