[luatex] insert a string into node list?

[Hans Hagen]

On 15-7-2011 12:20, Taco Hoekwater wrote:
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> On 14 jul. 2011, at 23:42, Hans Hagen<pragma at wxs.nl>  wrote:
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>> 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
>
> Really? Did i write code for that?

Yes, as at some point - long ago already - we needed it for tracking 
down some problems (mkiv has some additional tracing based upon it 
already for quite a while, not that I ever use it nowadays).

Hans

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