The microtype package

THE LETTERSPACING ILLUSTRATION: Document 2209130 \acronym{PDF}\,{\smaller1.5}, you could hide the arrows selectively.}}9131 \vskip-\mt@unvdimen}%9132 \vskip-4pt9133 \setlength\fboxsep{4pt}%9134 \leavevmode9135 \pdfstartlink9136 user{/Subtype/Link9137 /BS > /H/O9138 /A >9140 }%9141 \fcolorbox{theframe}{theshade}%9142 {\fontsize{34}{38}\selectfont #1}%9143 \pdfendlink9144 \par\medskip9145 }%9146 \edef\x{\pdfpageresources{/Properties }}\x9147 }Now define the illustration to be used in the document.9148 \def\lssample{%9149 \ls@sample{%9150 \dols{0pt}{Stop}9151 \lssp{o}{0.45em}{0.25em}{0.15em}9152 \dols{0.16em}{{st}ealing}\hskip-\dimexpr 0.08em+\lsrule\relax9153 \lssp{i}{13.82pt}{4.65pt}{2.08pt}9154 \dols{0.16em}{sheep}9155 \dols{0pt}{!}9156 }%Don’t forget to add the arrows.9157 \vspace{-\baselineskip}9158 \add@arrow{red} {tracking}{lsamount _ c.east}{a _ ls}9159 \add@arrow{red} {okern} {okernend _ c.east}{p _ ls}9160 \add@arrow{green} {ospace} {ospace _ c.east} {ospace}9161 \add@arrow{green} {ispace} {ispace _ c.center}{ispace}9162 \add@arrow{green!75} {istretch}{istretch _ c.east}{istretch.north}9163 \add@arrow{green!75} {ishrink} {ishrink _ c.west} {ishrink.north}9164 \add@arrow{green!75} {ostretch}{ostretch _ c.east}{ostretch.north}9165 \add@arrow{green!75} {oshrink} {oshrink _ c.east} {oshrink.north}9166 \add@arrow[right]{grey}{ligature}{nolig _ c.east} {st.center}9167 }9168 \fiThis is for use with microtype.dtx9169 \ifx\documentclass\@twoclasseserror9170 \usepackage{tikz}9171 \elseB.2 Document9172 \documentclass[10pt,a4paper]{ltxdoc}9173 \expandafter\def\csname ver@microtype.dtx\endcsname{2999/99/99}Re-use the preamble from microtype.dtx.9174 \usepackage{microtype-doc}9175 \usepackage{attachfile}9176 \usepackage{tikz}9177 \makeatletter9178 \pdfcatalog{/OCProperties > }9182 \makeatother9183 \begin{document}You are currently reading this.