[NTG-context] The `\somewhere`-macro

Norbert Melzer timmelzer at gmail.com
Fri Aug 28 00:14:17 CEST 2015


Repost...

Norbert Melzer <timmelzer at gmail.com> schrieb am Sa., 08.08.2015, 18:06:

> The wiki states on page
> http://wiki.contextgarden.net/Latex_Packages#varioref that the macro
> `\somewhere` can be used to get same behaviour as varioref gives in LaTeX:
>
> > varioref
> > Context provides similar functionality using \somewhere
>
> Some more searching around made me find
> http://wiki.contextgarden.net/Command/somewhere
>
> There I can see, that I have to provide 2 text-arguments in curly braces
> and the references name in squarebrackets.
>
> So I did exactly that in an experiment.
>
> \somewhere{Foo}{Bar}[foo:bar]
>
> This does create a clickable “Foo” when the reference exists somewhere in
> the document, independent off the fact that this reference is on the same
> page or anywhere else.
>
> When the reference does not exists, “foo:bar” is typeset.
>
> I am using:
>
> ```plain
> $ context --version
>
> mtx-context     | ConTeXt Process Management 0.61
> mtx-context     |
> mtx-context     | main context file:
> /usr/local/texlive/2015/texmf-dist/tex/context/base/context.mkiv
> mtx-context     | current version: 2015.05.18 12:26
> ```
>
> Example:
>
> ```tex
> \setupinteraction[state=start]
>
> \starttext
> \startsection[title={Foo-Bar},reference={foo:bar}]
>   Blubberblubb, \somewhere{Foo}{Bar}[foo:bar].
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \input knuth
>
>   \somewhere{Foo}{Bar}[foo:bar].
> \stopsection
>
> \startsection[title={Bar},reference={bar:foo}]
>   \somewhere{Foo}{Bar}[foo:bar].
> \stopsection
> \stoptext
> ```
>
>
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