The microtype package

IMPLEMENTATION: Font setup 822160 \def\MT@curr@list@name{\@backslashchar DisableLigatures}%2161 \MT@map@clist@c#2{%2162 \KV@@sp@def\@tempa{##1}\MT@get@slot2163 \ifnum\MT@char>\m@ne \tagcode#1\MT@char=\m@ne \fi}%2164 \MT@vinfo{... Disabling ligatures for characters: #2}%2165 }{%2166 \pdfnoligatures#1%2167 \MT@warning{Cannot disable selected ligatures (pdftex doesn’t\MessageBreak2168 know \@backslashchar tagcode). Disabling all ligatures of\MessageBreak2169 the font instead}%2170 }%2171 }{%2172 \pdfnoligatures#1%2173 \MT@vinfo{... Disabling ligatures}%2174 }%2175 }2176 }\relax2177 \MT@load@list\MT@find@file\MT@file@list14.2.7 Loading the configurationRecurse through the lists to be loaded.2178 2179 \def\MT@load@list#1{%2180 \edef\@tempa{#1}%2181 \MT@let@cn\@tempb{MT@\MT@feat @c@\@tempa @load}%2182 \MT@ifstreq\@tempa\@tempb{%2183 \MT@error{\@nameuse{MT@abbr@\MT@feat} list `\@tempa’ cannot load itself}{}%2184 }{%2185 \ifx\@tempb\relax \else2186 \MT@ifdefined@n@TF{MT@\MT@feat @c@\@tempb}{%2187 \MT@vinfo{... : First loading \@nameuse{MT@abbr@\MT@feat} list `\@tempb’}%2188 \begingroup2189 \MT@load@list\@tempb2190 \endgroup2191 \edef\MT@curr@list@name{\@nameuse{MT@abbr@\MT@feat} list2192 \noexpand\MessageBreak`\@tempb’}%2193 \MT@let@cn\@tempc{MT@\MT@feat @c@\@tempb}%2194 \expandafter\MT@set@codes\@tempc,\relax,%2195 }{%2196 \MT@error{\@nameuse{MT@abbr@\MT@feat} list `\@tempb’ undefined.\MessageBreak2197 Cannot load it from list `\@tempa’}{}%2198 }%2199 \fi2200 }%2201 }Micro-typographic settings may be written into a file mt-〈font family〉.cfg.We must also record whether we’ve already loaded the file.2202 \let\MT@file@list\@empty2203 \def\MT@find@file#1{%Check for existence of the file only once.2204 \MT@in@clist{#1}\MT@file@list2205 \ifMT@inlist@ \elseDon’t forget that because reading the files takes place inside a group, all commandsthat may be used there have to be defined globally.2206 \MT@begin@catcodes2207 \let\MT@begin@catcodes\relax2208 \let\MT@end@catcodes\relax2209 \InputIfFileExists{mt-#1.cfg}{%2210 \edef\MT@curr@file{mt-#1.cfg}%