% Visual check of the fancy tones: run
%   tests/render.sh tests/fancy-check.tex [xelatex|lualatex]
\documentclass{article}
\usepackage[paperwidth=14cm,paperheight=19cm,margin=6mm]{geometry}
% xeCJK under XeLaTeX, ctex (which loads LuaTeX-ja) under LuaLaTeX
\usepackage{iftex}
\ifXeTeX\usepackage{xeCJK}\else\usepackage[fontset=none]{ctex}\fi
\setCJKmainfont{Songti TC}
\setsansfont{Helvetica}
\usepackage{xcolor}
\usepackage{hyperref}
\usepackage[fancy,multiple=\color{red}]{xjyutping}
\begin{document}
\tableofcontents
\section{詩史試時市事}
\begin{jyutpingscope}
詩史試時市事。我哋去銀行，行路返屋企。校長喺學校長大。\xjyutping{家行}{gaa1 hang4}聽日嚟，\xjyutping{唔}{m}知。

{\small 細字：詩史試時市事。}{\Large 大字：詩史試。}
\end{jyutpingscope}
\begin{jyutpingscope}[font=\sffamily, format=\itshape\color{blue}, width=natural]
詩史試時市事。我哋去銀行，行路返屋企。
\end{jyutpingscope}
\begin{jyutpingscope}[ratio=0.6, vsep=1.3em, width=2.2em]
詩史試時市事。我哋去銀行。
\end{jyutpingscope}
正文中嘅\xjyutping*{詩史試時市事}，同埋再嚟一行正文，睇下會唔會撞到上面嗰行字。正文中嘅\xjyutping*{銀行行路}再寫多啲字填滿呢一行。
\begin{jyutpingscope}[fancy=false]
詩史試時市事。
\end{jyutpingscope}
\end{document}