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ID 20🔗
Date: 2013-01-18 11:12:26
Status Closed (Fixed)
Category datatool
Version 2.13
Summary Error if \DTLnewdbentry's third argument is an empty macro
Cross Ref 18

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Description

Hi,

the bug nr 18 (xkeyval incompatibility) has in fact nothing to do with xkeyval (sorry).

It appears that if \DTLnewdbentry's third argument (value of the identifier key) is an empty macro, the following error occurs:

Runaway argument?
\@nil \ifnum \@dtl@numgrpsepcount >-1\relax \if@dtl@numgrpsep \ifnum \ETC.
! File ended while scanning use of \@dtl@checknumericalstart.

The joind MCE shows the problem:

  \DTLnewdbentry{mydata}{Surname}{\test}%
is OK as long as \test is a non-empty macro.

MWE

Download (297B)

\documentclass{article}
\usepackage{datatool}
%
\newcommand{\test}{}
%
\begin{document}
%
\DTLnewdb{mydata}%
%
\renewcommand{\test}{Doe}
\DTLnewrow{mydata}%
\DTLnewdbentry{mydata}{Surname}{\test}%
%
\renewcommand{\test}{}
\DTLnewrow{mydata}%
\DTLnewdbentry{mydata}{Surname}{\test}%
\end{document}

Evaluation

This is now fixed in version 2.14.

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