Jerry, thanks for the new BookMacster 0.1.6 update.
Tried creating a bookshelf for Camino + Safari. Both browsers started with large, heavily overlapping hierarchies of bookmarks (originally replicated by Bookdog, but long since somewhat diverged).
1. Possible bug:
Running "Find Duplicates" (ignoring duplicates in different hard folders) reveals hundreds of duplicates. But running "Delete All Duplicates" still leaves many duplicates. Running "Find Duplicates" again does not find them. As far as I can tell, the remaining unfound duplicates are all in subfolders, i.e., not in the root folder.
2. Possible design issue:
When merging lots of deep folder hierarchies from multiple browser collections, it would really be useful to have some way to specify (a) the order of precedence given to each of the original browser collection's hierarchies, and (b) an option to merge folders from different browsers with the same name at the same hierarchy level instead of duplicating all the folders (i.e., do a top-down tree merge).
Bookdog's directionality inherently provided a way to influence these precedences. Not sure how to do this in BookMacster. (Or am I overlooking some existing BookMacster feature that already addresses these problems...?)