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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{simurgh-amsmath}[2013/09/22 v0.01b changes to `amsmath.sty']
\def\maketag@@@#1{\if@RTL\hboxR\else\hboxL\fi{\m@th\normalfont#1}}
\iftagsleft@
\def\@eqnnum{\hbox to1sp{}
\if@RTL
\llapR{\normalfont\normalcolor
\tagform@\theequation\hskip -\displaywidth}
\else
\rlapL{\normalfont\normalcolor
\hskip -\displaywidth\tagform@\theequation}
\fi}
\else
\def\@eqnnum{{\normalfont\normalcolor \tagform@\theequation}}
\fi
\renewcommand{\numberwithin}[3][\arabic]{%
\@ifundefined{c@#2}{\@nocounterr{#2}}{%
\@ifundefined{c@#3}{\@nocnterr{#3}}{%
\@addtoreset{#2}{#3}%
\@xp\xdef\csname the#2\endcsname{%
\@xp\@nx\csname the#3\endcsname \@nx\@SepMark\@nx#1{#2}}}}%
}
\def\intertext@{%
\def\intertext##1{%
\ifvmode\else\\\@empty\fi
\noalign{%
\penalty\postdisplaypenalty\vskip\belowdisplayskip
\if@RTL\vboxR\else\vboxL\fi{\normalbaselines
\ifdim\linewidth=\columnwidth
\else \parshape\@ne \@totalleftmargin \linewidth
\fi
\noindent##1\par}%
\penalty\predisplaypenalty\vskip\abovedisplayskip%
}%
}}
\def\multline@#1{%
\Let@
\@display@init{\global\advance\row@\@ne \global\dspbrk@lvl\m@ne}%
\chardef\dspbrk@context\z@
\restore@math@cr
\let\tag\tag@in@align
\global\tag@false \global\let\raise@tag\@empty
\mmeasure@{#1}%
\let\tag\gobble@tag \let\label\@gobble
% \tabskip \if@fleqn \@mathmargin \else \z@skip \fi
\tabskip \z@skip
\totwidth@\displaywidth
\if@fleqn
\advance\totwidth@-\@mathmargin
\fi
\halign\bgroup
\hbox to\totwidth@{%
\if@fleqn
\hskip \@centering \relax
\else
\hfil
\fi
\strut@
$\m@th\displaystyle{}##\endmultline@math
\hfil
}%
\crcr
\if@fleqn
\hskip-\@mathmargin
\def\multline@indent{\hskip\@mathmargin}% put it back
\else
\hfilneg
\def\multline@indent{\hskip\multlinegap}%
\fi
\iftagsleft@
\iftag@
\begingroup
\ifshifttag@
\rlap{\vbox{%
\normalbaselines
\hbox{%
\strut@
\make@display@tag
}%
\vbox to\lineht@{}%
\raise@tag
}}%
\multline@indent
\else
\setbox\z@\hbox{\make@display@tag}%
\dimen@\@mathmargin \advance\dimen@-\wd\z@
\ifdim\dimen@<\multlinetaggap
\dimen@\multlinetaggap
\fi
\box\z@ \hskip\dimen@\relax
\fi
\endgroup
\else
\multline@indent
\fi
\else
\multline@indent
\fi
#1%
}
\def\math@cr@@@align{%
\ifst@rred\nonumber\fi
\if@eqnsw \global\tag@true \fi
\global\advance\row@\@ne
\add@amps\maxfields@
\omit
\kern-\alignsep@
% \iftag@
% \setboxz@h{\@lign\strut@{\make@display@tag}}%
% \place@tag
% \fi
\iftag@
\setboxz@h{\@lign\strut@{\make@display@tag}}%
\place@tag
\else
\place@tag
\fi
\ifst@rred\else\global\@eqnswtrue\fi
\global\lineht@\z@
\cr
}
\endinput
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