Quote:
Originally Posted by dwig
Wrong.
One, as barryem correctly said, PDB was the Palm Database Format and merely specified the file structure (size of "header" data, size of data blocks, ...). It did not specify what the stored data was used for or how it was used.
Two, the AportisDOC (aka PalmDOC, PeanutDOC, ...) that was one of the ebook formats that used PDB file structure was in no way decended from HTML (HyperText Markup Language). It was, like HTML, a "markup language", but the markup did not resemble that used my HTML. Instead, it was related to earlier markup schemes used in early electronic typesetting and document production. It's true that the AportisDOC/PalmDOC was very popular for a few years, but it wasn't the first and was never the only ebook format that used the PDB file structure.
There were some ebook formats in the PalmOS era that were derived from HTML. Some of those (e.g. MobiPocket, ...) used the compiled PRC datastructure which allowed the inclusion of images.
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I was going by my experience marking up ebooks for my Palm OS PDA (using a text editor and then converting it for loading) for the Palm Reader. To me, the markup for ebooks bore a similarity to HTML (in a way, it could have also had a similarity to RTF). I know that a .pdb file could basically be anything, depending on what it actually contained but I was thinking of the way the ebook format was done and stored within a .pdb file.