A plain, ruler-straight underline blends into the text and is easy to miss. This LaTeX package underlines a word or a phrase with a line that looks drawn by hand: it wavers a little, stands apart from the letters, and catches the reader's eye where an ordinary rule would go unnoticed. The package draws the stroke with the pgf package.
First, install it from CTAN and then use in the preamble:
\documentclass{article}
\usepackage{handstroke}
\begin{document}
Please, don't forget \handstroke{this}!
\end{document}Otherwise, you can download handstroke.sty and add it to your project.
If you want to contribute yourself, make a fork, then create a branch,
then run l3build ctan in the root directory.
It should compile everything without errors.
If not, submit an issue and wait.
Otherwise, make your changes and then run l3build ctan again.
If the build is still clean, submit a pull request.