% This file is embedded in glossaries-extra-manual.pdf 
% Example 114 Resetting the first use flag (\glsreset)
% Label: "ex:glsreset"
% arara: pdflatex
% arara: pdfcrop
\documentclass[12pt]{article}
\pagestyle{empty}
\usepackage{glossaries-extra}
\newabbreviation{html}{HTML}{hypertext markup language} 
\begin{document}
\begin{abstract}
 This abstract mentions \gls{html}.
 \end{abstract}
 Some casual reference to \gls{html}.
 \section{Web Pages}
 \glsreset{html}This section is all about \gls{html}. 
\end{document}