The microtype package

IMPLEMENTATION: Package options 128\MT@auto4227 }{%4228 \ifnum\MT@stretch>\MT@shrink4229 \ifnum\MT@shrink=\z@4230 \@tempcnta=\MT@stretch4231 \else4232 \@tempcnta=\MT@shrink4233 \fi4234 \else4235 \ifnum\MT@stretch=\z@4236 \@tempcnta=\MT@shrink4237 \else4238 \@tempcnta=\MT@stretch4239 \fi4240 \fi4241 \divide\@tempcnta 5\relax4242 \ifnum\@tempcnta=\z@ \@tempcnta=\@ne \fi4243 \edef\MT@step{\number\@tempcnta\space}%4244 }%4245 4246 \fi4247 \ifnum\MT@step=\z@4248 \MT@warning@nl{The expansion step cannot be set to zero.\MessageBreak4249 Setting it to one}%4250 \def\MT@step{1 }%4251 \fiAutomatic expansion of the font? This new feature of pdfTEX 1.20 makes thehz programme really usable. It must be either ‘autoexpand’ or empty (or ‘1000’ forolder versions of pdfTEX).4252 \let\MT@auto\@empty4253 \ifMT@auto4254 \MT@requires@pdftex4{%We turn off automatic expansion if output mode is DVI.4255 \ifnum\pdfoutput