I have found something:
http://www.mobileread.mobi/forums/sh...=205062&page=6
Quote:
/1 indicates the root element (<html...)
even numbers navigate through the elements. So 2 is the first child of the root (<head...), 4 is the second child of the root (<body...), /1/4/10/ is the 5th child of the body (usually the 5th paragraph or header).
: idicates the offset within the element.
However, I am not quite sure what odd numbers mean. They usually occur if the highlight starts at the beginning of the paragraph. So the position before the highlight is "between the paragraphs". But in case of /1/4/9:2 --> what's the second character of "between paragraph 4 and 5? Do you happen to know that, by chance?
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Is this reasonable about even and odd numbers? I will write some python code to check this.