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From: Taco Hoekwater <taco@elvenkind.com>
Newsgroups: gmane.comp.tex.context
Subject: Re: \to in footer?
Date: Sun, 14 Jan 2007 11:23:37 +0100
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andrea valle wrote:
> Hi to all,
> 
> I wanted to use in footer an arrow so I went with:
> \setupfootertexts[$\to$ help]
> 
> It raises an error.
> I solved with $\rightarrow$, but I was curious about this fact
> Why does it happen?

The \to creates interference with the keyword scanner in
the footer|header text macro (because the internal macro,
\convertargument, uses \to as an argument delimiter).

There is no way you could have known that.

Best, Taco