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add mechanism for engine-specific protrusion #67

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add mechanism for engine-specific protrusion #67

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30 changes: 17 additions & 13 deletions microtype.dtx
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Original file line number Diff line number Diff line change
Expand Up @@ -625,7 +625,7 @@
config,factor,auto,stretch,shrink,step,selected,unit,tracking,kerning,
spacing,letterspace,babel,context,patch,nopatch,
%defersetup,copyfonts,deactivate,reactivate,% undocumented
no�ligatures,outer�spacing,outer�kerning}, % there are three \nobreakspace in this line
no�ligatures,outer�spacing,outer�kerning}, % there are three \nobreakspace in this line
keywordstyle=[1]\color{thered},
comment=[l]\%,
commentstyle=\color{thegrey}\itshape,
Expand Down Expand Up @@ -2070,10 +2070,10 @@
% (which are in no way recommended; they only serve illustrative purposes):
%\begin{verbatim}
%\SetTracking
% [ no�ligatures = {"\anchorarrow{nolig}"f},
% [ no�ligatures = {"\anchorarrow{nolig}"f},
% spacing = {60"\anchorarrow{ispace}"0*,-1"\anchorarrow{istretch}"00*, "\anchorarrow{ishrink}"},
% outer�spacing = {4"\anchorarrow{ospace}"50,2"\anchorarrow{ostretch}"50,1"\anchorarrow{oshrink}"50},
% outer�kerning = {"\anchorarrow{okernbegin}"*,"\anchorarrow{okernend}"*} ]
% outer�spacing = {4"\anchorarrow{ospace}"50,2"\anchorarrow{ostretch}"50,1"\anchorarrow{oshrink}"50},
% outer�kerning = {"\anchorarrow{okernbegin}"*,"\anchorarrow{okernend}"*} ]
% { encoding = * }
% { 1"\anchorarrow{lsamount}"60 }
%\end{verbatim}
Expand Down Expand Up @@ -2117,7 +2117,7 @@
% { encoding = *,
% size = {-small,Large-},
% font = */*/*/sc/* }
%\SetTracking[ no�ligatures = f ]{ encoding = *, shape = sc}{ 50 }
%\SetTracking[ no�ligatures = f ]{ encoding = *, shape = sc}{ 50 }
%\SetTracking{ encoding = *, size = -small }{ 20 }
%\SetTracking{ encoding = *, size = Large- }{ -20 }
%\end{verbatim}
Expand Down Expand Up @@ -2687,11 +2687,11 @@
% with ligatures here highlighted in green, inhibited ligatures in red):
%
%\begin{verbatim}[morekeywords={[0]{\kern}}]
%\SetTracking[no�ligatures={f}]{encoding = LY, family = yfrak}{120}
%\SetTracking[no�ligatures={f}]{encoding = LY, family = yfrak}{120}
%\textfrak{\lsstyle Aus:s{\kern0pt}ichts:los{\kern0pt}igkeit}
%\end{verbatim}
%\begin{verbatim}
%\SetTracking[no�ligatures={f,s,c}]{encoding = LY, family = yfrak}{120}
%\SetTracking[no�ligatures={f,s,c}]{encoding = LY, family = yfrak}{120}
%\textfrak{\lsstyle Au\lslig{s:}si\lslig{ch}t\lslig{s:}losigkeit}
%\end{verbatim}
%
Expand Down Expand Up @@ -6371,6 +6371,7 @@ microtype.do_font = do_font
\fi
}
}
%</pdf->
% \end{macrocode}
%\end{macro}
%\begin{macro}{\MT@varwidth@setup}
Expand All @@ -6383,8 +6384,7 @@ microtype.do_font = do_font
%\changes{v3.2a}{2024/12/21}{fix for \cls{standalone} class
% (reported by \contributor Denis Bitouz\'e <dbitouze\at wanadoo.fr>) \githubissue{43}}
% \begin{macrocode}
\MT@requires@pdftex5{
%</pdf->
%<pdf->\MT@requires@pdftex5{
\def\MT@varwidth@setup{%
\ifMT@protrusion
^^Q \MT@warning@nl{Cannot patch varwidth without etex extensions}%
Expand All @@ -6395,11 +6395,15 @@ microtype.do_font = do_font
^^X {\ifhbox\z@ \MT@vwid@leftmargin\leftmarginkern\z@
^^X \MT@vwid@rightmargin\rightmarginkern\z@\fi \sift@deathcycles\z@}{}{}%
^^X \patchcmd\@vwid@resetb{\kern\@vwid@loff \unhbox\z@}
^^X {\kern\@vwid@loff \ifdim\MT@vwid@leftmargin=\z@\else\kern\MT@vwid@leftmargin\fi
^^X \unhbox\z@ \ifdim\MT@vwid@rightmargin=\z@\else\kern\MT@vwid@rightmargin\fi}{}{}%
%<pdf-|xe->^^X {\kern\@vwid@loff \ifdim\MT@vwid@leftmargin=\z@\else\kern\MT@vwid@leftmargin\fi
%<pdf-|xe->^^X \unhbox\z@ \ifdim\MT@vwid@rightmargin=\z@\else\kern\MT@vwid@rightmargin\fi}{}{}%
%<lua->^^X {\kern\@vwid@loff \ifdim\MT@vwid@leftmargin=\z@\else\kern-\MT@vwid@leftmargin\fi
%<lua->^^X \unhbox\z@ \ifdim\MT@vwid@rightmargin=\z@\else\kern-\MT@vwid@rightmargin\fi}{}{}%
^^X \patchcmd\@vwid@measure{\kern\@vwid@loff \unhbox\z@}
^^X {\kern\@vwid@loff \ifdim\MT@vwid@leftmargin=\z@\else\kern\MT@vwid@leftmargin\fi
^^X \unhbox\z@ \ifdim\MT@vwid@rightmargin=\z@\else\kern\MT@vwid@rightmargin\fi}{}{}%
%<pdf-|xe->^^X {\kern\@vwid@loff \ifdim\MT@vwid@leftmargin=\z@\else\kern\MT@vwid@leftmargin\fi
%<pdf-|xe->^^X \unhbox\z@ \ifdim\MT@vwid@rightmargin=\z@\else\kern\MT@vwid@rightmargin\fi}{}{}%
%<lua->^^X {\kern\@vwid@loff \ifdim\MT@vwid@leftmargin=\z@\else\kern-\MT@vwid@leftmargin\fi
%<lua->^^X \unhbox\z@ \ifdim\MT@vwid@rightmargin=\z@\else\kern-\MT@vwid@rightmargin\fi}{}{}%
\fi
}
%<*pdf->
Expand Down