There seems to be a substantial interface change between 1.33 and 1.34 of ptr_map. I'm trying to move a largeish project from 1.33 to 1.34. The only unsolved problem is that it has 21 separate declarations of a ptr_map, each with a dozen or so uses of iterator where *iter has to be replaced with *iter->second and iter->key() has to be replaced with iter->first. The 1.34 documentation at http://www.boost-consulting.com/boost/ doesn't seem to mention this, and my searches can't seem to turn up where this was discussed. I can see why the new interface might be preferred, but can anybody provide a reference to the discussion (or other insight) that led to this code-breaking change? Ideally I'd like my code to work with both 1.33 and 1.34. Any hints on how to do this elegantly? Thanks, Paul Rose