Hello



The following code gives an error (current beta and version from texlive 2014):


\usemodule[tikz]

\usetikzlibrary[datavisualization]


\starttext

A

\stoptext


The log gives the following error:

tex error       > error on line 682 in file /usr/local/texlive/2014/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/datavisualization/tikzlibrarydatavisualization.code.tex: ! Missing number, treated as zero

<to be read again> 
^
l.682 {\catcode`\^^
                 M=\active%

672         \def\pgf@temp{#1}%
673         \ifx\pgf@temp\tikz@lib@dv@auto@attribute%
674           \tikzdatavisualizationset{\tikz@dv@axis/label/.expanded=$\noexpand\mathit{\pgfkeysvalueof{\tikz@dv@axis/attribute}}$}%
675         \else
676           \tikzdatavisualizationset{\tikz@dv@axis/label={#1}}%
677         \fi
678       },
679       label/.default=\tikz@lib@dv@auto@attribute,
680       %
681       % Strategies
682 >>    %
683       tick placement strategy/.style={\tikz@dv@axis/@compute at positions={#1}},
684       linear steps/.style={tick placement strategy=\tikz@lib@dv@compute@at@linear},
685       %
686       % Attribute setter
687       %
688       goto/.code={\tikz@dv@goto{\tikz@dv@axis}{#1}},
689       goto pos/.code={\tikz@dv@goto@pos{\tikz@dv@axis}{#1}},
690       anchor at min/.code={\tikz@lib@dv@special@at{\tikz@dv@axis}{\tikz@dv@min@anchor}},
691       anchor at max/.code={\tikz@lib@dv@special@at{\tikz@dv@axis}{\tikz@dv@max@anchor}},
692       %