One of Lua's predecessors, Sol, was a data language strongly influenced by BibTeX (http://www.lua.org/history.html http://www.lua.org/history.html). Lua's table

One of Lua's predecessors, Sol, was a data language strongly influenced by BibTeX (http://www.lua.org/history.html http://www.lua.org/history.html). Lua's table syntax also bears a strong resemblance to JSON. I don't know about embedding it in Erlang, but anecdotally, it works quite well as a data dump format.