[Tex/LaTex] Overfull \hbox (15.0pt too wide)

spacingtablestabularxwarnings

I have multiple tables which look like this: 

\begin{tabularx}{\textwidth}{|l|X|l|}
\hline
\textbf{ID} & \textbf{Description} \\ \hline
336858 & The description \\ \hline
\end{tabularx}

and I get for each one the warning:

Overfull \hbox (15.0pt too wide) in paragraph at lines X — Y[][]

As I understand this mean something in my table don't use enough space. Or according my search when I use explicit spacing.

And thats the part I don't understand, because the Idea of {|l|X|l|} is that it use 100% width of the Document. And the output is expected.

What did I miss or misunderstand? Why did I get this warning?

minimal example

\documentclass[a4paper,10pt]{article}

\usepackage{tabularx}

\usepackage[utf8]{inputenc}
\usepackage[top=7em, bottom=4em, left=5em, right=5em]{geometry}
\usepackage{xcolor,colortbl}

\usepackage{hyperref}
\hypersetup{
    colorlinks,
    citecolor=black,
    filecolor=black,
    linkcolor=black,
    urlcolor=black
}

\setcounter{section}{-1}

\title{Test}
\author{test author}

\begin{document}

\maketitle
\tableofcontents

\begin{tabularx}{\textwidth}{|l|X|l|}
\hline
\textbf{ID} & \textbf{Description} \\ \hline
336858 & The description \\ \hline
\end{tabularx}

\end{document}

I use pdflatex to build.

$pdflatex --version
pdfTeX 3.1415926-1.40.10-2.2 (TeX Live 2009/Debian)
kpathsea version 5.0.0
Copyright 2009 Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
There is NO warranty.  Redistribution of this software is
covered by the terms of both the pdfTeX copyright and
the Lesser GNU General Public License.
For more information about these matters, see the file
named COPYING and the pdfTeX source.
Primary author of pdfTeX: Peter Breitenlohner (eTeX)/Han The Thanh (pdfTeX).
Compiled with libpng 1.2.46; using libpng 1.2.46
Compiled with zlib 1.2.3.4; using zlib 1.2.3.4
Compiled with poppler version 0.18.2

Best Answer

  1. Please upgrade your LaTeX installation. That is one horribly old LaTeX installation

  2. In my system (TeX Live 2014), then the only warning I get is a overfull \hbox (15.0pt too wide). 15pt is the standard size of the paragraph indentation. So you may want to use

    \noindent
\begin{tabularx}...

    or 

    \begin{center}
\begin{tabularx}....
...
\end{tabularx}
\end{center}
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