\documentclass[pdftex,a4paper,11pt,parskip]{scrreprt}
\usepackage[ngerman]{babel}
%------------------------------------------------------------------------------------------------------------------------------
%Glossar
%------------------------------------------------------------------------------------------------------------------------------
\usepackage[nonumberlist,acronym,section,toc,sanitize={description=false}]{glossaries}
\defglsdisplayfirst[main]{\Glsentryname{\glslabel}\footnote{\Glsentrydesc{\glslabel}}} %Fussnote bei erster verwendung von GLS entry
\defglsdisplayfirst[\acronymtype]{\Glsentryname{\glslabel}\footnote{\Glsentrydesc{\glslabel}}}
\defglsdisplayfirst[symbolslist]{\Glsentryname{\glslabel}\footnote{\Glsentrydesc{\glslabel}}} % Fussnote bei erster verwendung von symbolen
\usepackage{glossary-longragged}
\usepackage{glossary-long}
\usepackage{glossary-list}
\newglossary[slg]{symbolslist}{syi}{syg}{Symbolverzeichnis}
\renewcommand*{\glspostdescription}{}
%------------------------------------------------------------------------------------------------------------------------------
\newacronym{WIG}{WIG}{Wolfram-Inert-Gas}
\newacronym{v}{{v}}{{vollmechanisches}}
%------------------------------------------------------------------------------------------------------------------------------
\makeglossaries
%------------------------------------------------------------------------------------------------------------------------------
\begin{document}
%\include{symbole}
\glsaddall
Dies ist ein Beispiel Text f"ur \gls{v}\gls{WIG}-Schwei"sen
\printglossaries
\end{document}