[texhax] A macro programming question

[Donald Arseneau]

Vafa Khalighi <vafakh84 at gmail.com> writes:

> I can say \hbox to 10pt{This is a test.}
> 
> Now I want to define the macro \hboxR, so that when I say
> 
> \hboxR to 10pt{This is a test.}
> 
> it actually means
> 
> \hbox to 10pt{\beginR This is a test\endR}

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}




-- 
Donald Arseneau                          asnd at triumf.ca