Thread: Kindlegen vs Calibre: Which one compiles faster and is more efficient?
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Old 02-19-2010, 05:52 PM   #21
pdurrant
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Quote:
Originally Posted by zdavatz View Post
Well you can check the file here: http://admin.zenogentoo.zdavatz.oper...g.firefox.epub - let me know where the wrong design decisions are!
I'm sorry for the misunderstanding. It sounds like you've done sensible things with your ePub. I meant the software that was taking much too long to open your ePub had a wrong design decision.

Looking at your epub with epubcheck, I get over 8000 error and warnings reported. Checking them, here are things you ought to change:

(1) the id attribute if items in the opf is not allowed to start with a digit. (or several other charcaters). an id attribute value is an XML Name, and most conform to the Name specification: http://www.w3.org/TR/REC-xml/#NT-Name See especially

[4] NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
[4a] NameChar ::= NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]

Your id attribute values are mostly hexadecimal values, which often start with a digit.

Since id values are referenced from idref attributes, you have errors on idrefs as well. So fixing the id attributes will get rid of about 4,400 errors. You have a similar problem *unsurprisingly) with idref.

(2) You have some (two?) non-unique id attributes.

(3) The other 3600 errors are all of the form:
ERROR: /Users/pdurrant/Downloads/compendium_ch.oddb.org.firefox.epub/OPS/3500_Volmax.html(1): elements from namespace "" are not allowed
But I'm not sure exactly what's causing that. If might be the way your files are mixing xhtml and html, but I don't really have time to track it down.


Otherwise it looks to be in fairly good shape. It migh be that fixing the id attribute value problem with speed things up, I don't know.
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