I didn't hear back from kid51. I believe data portability doesn't matter in this case; all that matters is that Storable at the current rev on the current platform is able to read it's own data for the next 10 seconds or so, which seems like a valid assumption. Pmichaud and chromatic seem to agree with me.
Applied in r20809. I will happily fix any problems that come up; please let me know if my assumptions are invalid, or if it breaks anywhere.
