[texhax] A macro programming question

[Vafa Khalighi]

> To add to the other solutions... this one only defines one
> macro and works with both { } and \bgroup \egroup...
>
> \def\hboxR{\begingroup
>  \everyhbox{%
>   \aftergroup\endgroup
>   \everyhbox{}%
>    \beginR
>   \bgroup
>   \aftergroup\endR
>   \aftergroup\egroup
>  }\hbox}
>
>
\setbox0=\hboxR{This is a test.}
\box0

Would not work here, because TeX expects a box. How can one fix this?

-- 
Best wishes,
Vafa Khalighi
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