# Printing glossaries with long styles adds to the tables counter

I am using the glossaries package to print a list of acronyms and another one with symbols at the beginning of my document. Since I want my definitions to be aligned and occupy the whole width of the text, I decided to use the long style. This, however, changes the counter for the tables in my document, since glossaries uses the longtable package internally to create its lists. Is there a way to suppress this behavior?

I would not like to use \setcounter{table}{-2} since this is a reusable template and I don't always print both lists. I was expecting to have a more elegant solution.

Here is an MWE.

\documentclass{report}
\usepackage[acronym,symbols]{glossaries}
\setglossarystyle{long}

% my custom formatting
\setlength\LTleft{0pt}
\setlength\LTright{0pt}
\setlength\glsdescwidth{\linewidth}

\newglossaryentry{a}{type=symbols,name={\ensuremath{a}},sort=a,
description={A}}
\newglossaryentry{b}{type=symbols,name={\ensuremath{b}},sort=b,
description={B}}

\newacronym{c}{C}{The letter C}

\makeglossaries

\begin{document}
\gls{a} \gls{b} \gls{c}

\printglossaries

\begin{table}
\caption{This table should be table 1.}
\end{table}

\end{document}


The longtable issue of using the table counter is well-known and is not restricted to the usage of glossaries and its various long.... glossary styles.

Here is a small solution by defining a new glossarystyle based on the long style, replacing the surrounding longtable environment with longtable*, which isn't incrementing the table counter. You need the caption package for this:

\newglossarystyle{mylong}{%
\setglossarystyle{long}% base this style on the long style
\renewenvironment{theglossary}{%
\begin{longtable*}{lp{\glsdescwidth}}}%
{\end{longtable*}}%
}

\setglossarystyle{mylong} % Set the new style


The redefinition of theglossary is based on the original version, just replacing longtable with longtable* here.

\documentclass{report}

\usepackage{caption}

\usepackage[acronym,symbols]{glossaries}

%\setglossarystyle{long}

% my custom formatting
\setlength\LTleft{0pt}
\setlength\LTright{0pt}
\setlength\glsdescwidth{\linewidth}

\newglossaryentry{a}{type=symbols,name={\ensuremath{a}},sort=a,
description={A}}
\newglossaryentry{b}{type=symbols,name={\ensuremath{b}},sort=b,
description={B}}

\newacronym{c}{C}{The letter C}

\newglossarystyle{mylong}{%
\setglossarystyle{long}% base this style on the long style
\renewenvironment{theglossary}{%
\begin{longtable*}{lp{\glsdescwidth}}}%
{\end{longtable*}}%
}

\setglossarystyle{mylong}

\makeglossaries

\begin{document}
\listoftables
\gls{a} \gls{b} \gls{c}

\printglossaries

\begin{table}
\caption{This table should be table 1.}
\end{table}

\end{document}