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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

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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