The microtype package

IMPLEMENTATION: Preliminaries 53853 \MT@with@package@T{tex4ht}\MT@if@true854 \MT@with@package@T{mathastext}\MT@if@true855 \ifMT@if@\g@addto@macro\MT@setupfont@hook\MT@restore@p@h\fiThe listings package makes numbers and letters active,856 \MT@with@package@T{listings}{%857 \g@addto@macro\MT@cfg@catcodes{%858 \MT@while@num{"30}{"3A}{\catcode\@tempcnta 12\relax}%859 \MT@while@num{"41}{"5B}{\catcode\@tempcnta 11\relax}%860 \MT@while@num{"61}{"7B}{\catcode\@tempcnta 11\relax}%861 }%. . . and the backslash (which would lead to problems in \MT@get@slot).862 \g@addto@macro\MT@setupfont@hook{%863 \catcode`\\\z@Inside a listing, \space is redefined.864 \def\space{ }%When loaded with the extendedchar option, listings will also redefine 8-bit activecharacters (inputenc). Luckily, this simple redefinition will make them expand totheir original definition, so that they could be used in the configuration.865 \let\lst@ProcessLetter\@empty866 }%867 }%Of course, using both soul’s and microtype’s letterspacing mechanisms at thesame time doesn’t make much sense. But soul can do more, e.g., underlining. Theoptional argument to \textls may not be used.868 869 \MT@requires@latex2{870 \MT@with@package@T{soul}{%871 \soulregister\lsstyle 0%872 \soulregister\textls 1%873 }%Under plain TEX, soul doesn’t register itself the L A TEX way, hence we have to use adifferent test in this case.874 875 }{\ifx\SOUL@\@undefined\else876 \soulregister\lsstyle 0%877 \soulregister\textls 1%878 \fi}%879 880 Compatibility with the pinyin package (from CJK): disable microtype in \py@macron,which loads a different font for the accent. In older versions of pinyin (pre-4.6.0),\py@macron had only one argument.881 \MT@with@package@T{pinyin}{%882 \let\MT@orig@py@macron\py@macron883 \@ifpackagelater{pinyin}{2005/08/11}{% 4.6.0884 \def\py@macron#1#2{%885 \let\pickup@font\MT@orig@pickupfont886 \MT@orig@py@macron{#1}{#2}%887 \let\pickup@font\MT@pickupfont}%888 }{%889 \def\py@macron#1{%890 \let\pickup@font\MT@orig@pickupfont891 \MT@orig@py@macron{#1}%892 \let\pickup@font\MT@pickupfont}%893 }%894 }%