# [Dev-luatex] determining if a macro is used on document level

Hans Hagen pragma at wxs.nl
Wed Nov 4 12:58:36 CET 2015

```On 11/4/2015 12:39 PM, Frank Mittelbach wrote:
> Hi Hans
>
>>>
>>> Can you see any other way to determine that a macro is really used on
>>> document/file level?
>>
>> \directlua{tex.print(tex.currentgrouplevel)}
>> {\directlua{tex.print(tex.currentgrouplevel)}}
>
> that's unfortunately not the same as input stack.
>
> both calls are happening at the same input level - both are visible in
>
> to motivate my question: people sometimes use procedural markup rather
> than semantic markup. Now if you want to find those in the document, say
> \textbf, but not if part of a higher-level structure, say inside a
> \section, then you need to know that this command actually appeared
> inside the document/file
>
> But it doesn't matter if it appear inside a "group"

ok, so file level then ... i'll add this then:

status.input_ptr

(luatex version 0.85)

Hans

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