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Ok, I give up on innovating. 
Now someone is going to tell me my idea of somehow tracking references
between webpages for cataloging purposes is "described" somewhere.

Jorge

On mar, 2012-04-24 at 20:49 +0200, Michal Kottman wrote:
> On 24 April 2012 20:33, Jorge <xxopxe@gmail.com> wrote:
> > Anything that is referenced in the the global "persistent" table will be
> > swapped.
> ....
> > Persisting then would mean keeping between restarts.
> 
> Some of what you want is already described here:
> http://lua-users.org/wiki/TableSerialization
> 
> For example, serialization using SQLite is described here:
> http://lua-users.org/wiki/PersistentTablesSqlite
> 
> You are using Lua tables, and all reads/changes are redirected to the
> SQLite database. Some more metatable magic, and you could get a fully
> "persistent" state as you describe (e.g. automatic "new_table()" and
> "get_table()").
>