[NTG-context] Re: unprotecting when defining in Lua

[Pablo Rodriguez via ntg-context <ntg-context@ntg.nl>]

On 4/29/24 19:32, Wolfgang Schuster wrote:
> Pablo Rodriguez via ntg-context schrieb am 29.04.2024 um 18:21:
>> Is \protected the same as \unexpanded?
>
> Yes they are the same (\protected is the primitive and \unexpanded is a
> copy) but this wasn't always the case.
>
> Original TeX didn't provide a mechanism to create protected commands
> and creators of macro packages had to create their own mechanism for
> this, the ConTeXt solution was \unexpanded. With the etex extensions
> the \protected primitive was added and \unexpanded uses the new
> primitive when you used a engine which supported it.

Many thanks for your fast reply and your explanation, Wolfgang.

Pablo

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