[franc]

Originally Posted by sebbu

calibre seems to use http://idpf.org/epub/linking/cfi/epub-cfi.html in the last part of the META-INF/calibre-bookmarks.txt file for positionning, which is a little complex, but well-documented

Thank!
I had experimented a bit with the MoonReader positions but after several attempts I gave up. Never my own edited markers where accepted by MoonReader+, seems to be some special code in it, which serves as edit-blocker
The author of MoonReader (seany something) is absolutely not cooperative, ignores my answers about it.