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From: Peter Schorsch <tralalas@freenet.de>
To: ConTeXt Mailing List <ntg-context@ntg.nl>
Subject: atpage || number comparing
Date: Tue, 15 May 2012 14:28:30 +0200	[thread overview]
Message-ID: <20120515142830.535eb5e7@freenet.de> (raw)

Hi,

it tried to do a \atpage command that results
a) some page => nothing
b) different page => pagenumber with some text (e.g. "auf Seite XY")

\def\atPage[#1]%
	{\doifnot{\at[#1]}{\currentpage}%
	{\at[#1]}%
	}

My problem with this is, that the \doifnot always results as not equal;
it is like the types mismatch as if I exchange \at[#1] with a pure
number the comparing works. If so, how can the types be corrected?

Additionally - if possible - I would like to add case that the referred
page is on the other page but in duplex mode adjacent to the actual
page. Is that possible to do this? I unluckily dont know how to make
working simple calculation in tex code.

To be complete I found in the file strc-ref.mkiv some notes about a
planed \atpage command:

%D A still very rudimentary|/|experimental forward|/|backward
%D reference mechanism is provided by the macro \type{\atpage}:
%D
%D \starttyping
%D ... \somewhere{backward text}{forward text}[someref] ...
%D ... \atpage[someref] ...
%D \stoptyping
%D 
%D In future versions there will be more sophisticated

% 0 = no page reference
% 1 = same page
% 2 = preceding page
% 3 = following page
% 4 = backward, same page (todo)
% 5 = forward, same page  (todo)

But that level of the ambient tex is still out of my scope.

Thanks
P.
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             reply	other threads:[~2012-05-15 12:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-15 12:28 Peter Schorsch [this message]
2012-05-15 13:30 ` Rogers, Michael K
2012-05-15 14:44 ` Hans Hagen

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