[luatex] insert a string into node list?

[Taco Hoekwater]

On 07/15/2011 01:58 AM, luigi scarso wrote:
> On Thu, Jul 14, 2011 at 11:42 PM, Hans Hagen<pragma at wxs.nl>  wrote:
>> On 14-7-2011 3:23, Arno Trautmann wrote:
>>
>>> • Second, I'd like to print out the name of every defined
>>> macro/primitive, i.e. I imagine a list with every character combination
>>> after a \ that does not throw a undefd control sequence-error.
>>> Why? Just because I wanted to know if it's possible … and if it is
>>> possible at all, the odds are best with LuaTeX. Also, I'd like to
>>> understand how macros are stored internally – but for that I have to
>>> read some source code, I guess …
>>
>> for name in pairs(tex.hashtokens()) do
>>     print(name)
>> end
> But it seems still format dependant: with plain luatex form  minimals

Yes, it is. The list of actual control sequences and
primitives is format dependent, thanks to tex.enableprimitives / 
tex.extraprimitives.

Best wishes,
Taco