On Wed, Jun 1, 2011 at 3:26 PM, Mojca Miklavec
<[email protected]> wrote:
> Dear magitians,
>
> I discovered this in LaTeX, but ConTeXt behaves the same (plain TeX
> behaves differently). Can somebody please explain me why this code
> fails to work? (A workaround is to move \newif on top which I'm
> willing to do, but I'm still curious.)
>
> \starttext
>
> \ifx\hbox\undefined
> \message{invisible to tex}
> \newif\ifabc \abcfalse
> \ifabc \message{abc true breaks} \else \message{abc false breaks} \fi
> \fi
>
> \stoptext
(see wolfgang)
this works
\newif\ifabc
\starttext
\ifx\dhbox\undefined
\message{dhbox invisible to tex}
\abcfalse
\ifabc \message{abc true breaks} \else \message{abc false breaks} \fi
\fi
\ifx\hbox\undefined
\message{hbox invisible to tex}
\abcfalse
\ifabc \message{abc true breaks} \else \message{abc false breaks} \fi
\fi
\stoptext
--
luigi
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