isw_smb_gloss.sty

\usepackage{csquotes}													 % recommended when working with polyglossia
\usepackage[nonumberlist,acronym,shortcuts,toc,nopostdot,nogroupskip,xindy]{glossaries}	 % Für Abkürzungsverzeichnis und Symbolverzeichnis

%\setacronymstyle{short-long}

\glsaddkey{unit}{\glsentrytext{\glslabel}}{\glsentryunit}{\GLsentryunit}{\glsunit}{\Glsunit}{\GLSunit}

% adapted from http://tex.stackexchange.com/a/161604
\newglossarystyle{symbunitlong}{%
	\renewenvironment{theglossary}%
    {\begin{longtable}[l]{llp{0.7\linewidth}p{\glspagelistwidth}}}%
    {\end{longtable}}%
  \renewcommand*{\glossaryheader}{}%
  \renewcommand*{\glsgroupheading}[1]{}%
  \renewcommand{\glossentry}[2]{%
    \glsentryitem{##1}\glstarget{##1}{\glossentryname{##1}} &
    \glsentryunit{##1} &
    \glossentrydesc{##1} &
    ##2\tabularnewline
  }%
  \renewcommand{\subglossentry}[3]{%
     &
     \glssubentryitem{##2}%
     \glsentryunit{##2} &
     \glstarget{##2}{\strut}\glossentrydesc{##2} & ##3\tabularnewline
  }%
  \renewcommand*{\glsgroupskip}{%
    \ifglsnogroupskip\else & & &\tabularnewline\fi}%
}

\newglossarystyle{symbunitlonga}{%
\setglossarystyle{long3col}% base this style on the list style
\renewenvironment{theglossary}{% Change the table type --> 3 columns
	{\begin{longtable}{lp{\glsdescwidth}p{\glspagelistwidth}}}%
{\end{longtable}}%
  \begin{longtable}{lp{0.6\glsdescwidth}>{\centering\arraybackslash}p{2cm}}}%
  {\end{longtable}}%
\renewcommand*{\glossentry}[2]{%  Change the displayed items
\glstarget{##1}{\glossentryname{##1}} %
& \glsunit{##1}
& \glossentrydesc{##1}  \tabularnewline
}
}

\makeglossaries