[luatex] Getting all symbols

[Sensei]

On 6/7/12 5:20 PM, Arno Trautmann wrote:
> Hi,
>
> Sensei wrote:
>> I'm trying to find *at runtime* all the symbols allowed in a latex
>> environment. So, given a tex file, I'd like to access
>> - the complete predefined commands/symbols/definitions;
>> - the complete list of commands/symbols/definitions defined in packages.
>
> This may not really help, but maybe give a hint: I think I had asked a
> similar question some time ago, Tako answered that he wanted to
> implement something, and Hans answered that he [Tako] already did.
> Unfortunately I cannot find the corresponding mails, sorry.


Thanks for the answer, but it seems that the archive contains only this 
thread with "tako".

Am I lost?