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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{simurgh-tools}[2013/09/18 v0.01a programming tools]
\providecommand{\@simurgh@saveprimitive}[2]{\begingroup\escapechar`\\\relax
  \edef\@tempa{\string#1}\edef\@tempb{\meaning#1}%
  \ifx\@tempa\@tempb \global\let#2#1%
  \else
    \edef\@tempb{\meaning#2}%
    \ifx\@tempa\@tempb
    \else
      \@latex@error{Unable to properly define \string#2; primitive
      \noexpand#1no longer primitive}\@eha
    \fi
  \fi
  \endgroup}
\def\eqnewif#1#2{%
  \count@\escapechar \escapechar\m@ne
    \let#1\iffalse
    \let#2\iffalse
    \eq@if#1#2\iftrue
    \eq@if#1#2\iffalse
  \escapechar\count@}
\def\eq@if#1#2#3{%
  \expandafter\def\csname\expandafter\@gobbletwo\string#1%
                    \expandafter\@gobbletwo\string#3\endcsname
                       {\let#1#3%
                       \let#2#3}%
  \expandafter\def\csname\expandafter\@gobbletwo\string#2%
                    \expandafter\@gobbletwo\string#3\endcsname
                       {\let#2#3%
                       \let#1#3}}
\newcommand*{\if@simurgh@csdef}[1]{%
  \ifcsname#1\endcsname
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\newcommand*{\if@simurgh@csundef}[1]{%
  \ifcsname#1\endcsname
    \expandafter\ifx\csname#1\endcsname\relax
      \expandafter\expandafter
      \expandafter\@firstoftwo
    \else
      \expandafter\expandafter
      \expandafter\@secondoftwo
    \fi
  \else
    \expandafter\@firstoftwo
  \fi}
\newcommand{\if@simurgh@def}[1]{%
  \ifdefined#1%
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\newcommand{\if@simurgh@undef}[1]{%
  \ifdefined#1%
    \ifx#1\relax
      \expandafter\expandafter
      \expandafter\@firstoftwo
    \else
      \expandafter\expandafter
      \expandafter\@secondoftwo
    \fi
  \else
    \expandafter\@firstoftwo
  \fi}
\newcommand{\if@simurgh@blank}[1]{% from url.sty
  \simurgh@ifblank@i#1&&\@secondoftwo\@firstoftwo:}
\long\def\simurgh@ifblank@i#1#2&#3#4#5:{#4}
\newcommand{\simurgh@notblank}[1]{%
  \simurgh@ifblank@i#1&&\@firstoftwo\@secondoftwo:}
\newcommand{\if@simurgh@defmacro}{}
\long\edef\if@simurgh@defmacro#1{%
  \noexpand\expandafter\noexpand\simurgh@ifdefmacro
  \noexpand\meaning#1\detokenize{macro}:&}
\edef\simurgh@ifdefmacro{%
  \def\noexpand\simurgh@ifdefmacro##1\detokenize{macro}:##2&}
\simurgh@ifdefmacro{\simurgh@notblank{#2}}
\newcommand*{\if@simurgh@csmacro}[1]{%
  \if@simurgh@csdef{#1}
    {\expandafter\if@simurgh@defmacro\csname#1\endcsname}
    {\@secondoftwo}}
\newcommand{\if@simurgh@defprimitive}[1]{%
  \ifpdfprimitive#1%
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\newcommand{\if@simurgh@csprimitive}[1]{%
 \begingroup\expandafter\expandafter\expandafter\endgroup%
  \expandafter\ifpdfprimitive\csname#1\endcsname%
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}
\newcommand*{\simurgh@csdefcs}[2]{%
\expandafter\@ifdefinable  \csname#1\endcsname{%
\expandafter\def\csname#1\expandafter\endcsname{\csname#2\endcsname}}}
\newcommand*{\simurgh@csletcs}[2]{%
\expandafter\@ifdefinable  \csname#1\endcsname{%
\expandafter\let\csname#1\expandafter\endcsname\csname#2\endcsname}}
\newcommand*{\simurgh@cslet}[2]{%
\expandafter\@ifdefinable  \csname#1\endcsname{%
\expandafter\let\csname#1\endcsname#2}}
\newcommand{\simurgh@namelongdef}[1]{%
  \long\expandafter\def\csname #1\endcsname}


\protected\def\simurgh@error{\PackageError{simurgh}}
\protected\def\simurgh@warning{\PackageWarning{simurgh}}
\protected\def\simurgh@info{\PackageInfo{simurgh}}

\newcommand*{\simurgh@newrobustcmd}{}
\protected\def\simurgh@newrobustcmd{\@star@or@long\simurgh@new@command}

\def\simurgh@new@command#1{\@testopt{\simurgh@newcommand#1}0}

\def\simurgh@newcommand#1[#2]{%
  \@ifnextchar[%]
    {\simurgh@xargdef#1[#2]}
    {\ifx\l@ngrel@x\relax
       \let\l@ngrel@x\protected
     \else
       \protected\def\l@ngrel@x{\protected\long}%
     \fi
     \@argdef#1[#2]}}

\long\def\simurgh@xargdef#1[#2][#3]#4{%
  \@ifdefinable#1{%
    \expandafter\protected
    \expandafter\def
    \expandafter#1%
    \expandafter{%
      \expandafter\@testopt
      \csname\string#1\endcsname{#3}}%
    \expandafter\@yargdef\csname\string#1\endcsname\tw@{#2}{#4}}}

\simurgh@newrobustcmd*{\simurgh@renewrobustcmd}{\@star@or@long\simurgh@renew@command}

\def\simurgh@renew@command#1{%
  \if@simurgh@undef{#1}
     {\simurgh@error{\string#1 undefined}\@ehc}
     {}%
  \let\@ifdefinable\@rc@ifdefinable
  \simurgh@new@command#1}

\simurgh@newrobustcmd*{\@tagextension}{clo}
\simurgh@newrobustcmd*{\@iftagloaded}{\@ifl@aded\@tagextension}

\simurgh@newrobustcmd*{\simurgh@providerobustcmd}{\@star@or@long\simurgh@provide@command}

\def\simurgh@provide@command#1{%
  \if@simurgh@undef{#1}
    {\def\reserved@a{\simurgh@new@command#1}}
    {\def\reserved@a{\simurgh@renew@command\reserved@a}}%
  \reserved@a}

\newcommand*{\simurgh@csuse}[1]{%
  \ifcsname#1\endcsname
    \csname#1\expandafter\endcsname
  \fi}

\newcommand{\simurgh@expandonce}[1]{%
  \unexpanded\expandafter{#1}}

\def\simurgh@protected{%
  \let\@@protect\protect
  \let\protect\@unexpandable@protect
  \afterassignment\restore@protect}

\simurgh@newrobustcmd{\simurgh@appto}[2]{%
  \if@simurgh@undef{#1}
    {\edef#1{\unexpanded{#2}}}
    {\edef#1{\simurgh@expandonce#1\unexpanded{#2}}}}
\simurgh@newrobustcmd{\simurgh@eappto}[2]{%
  \if@simurgh@undef{#1}
    {\edef#1{#2}}
    {\edef#1{\simurgh@expandonce#1#2}}}
\simurgh@newrobustcmd{\simurgh@gappto}[2]{%
  \if@simurgh@undef{#1}
    {\xdef#1{\unexpanded{#2}}}
    {\xdef#1{\simurgh@expandonce#1\unexpanded{#2}}}}
\simurgh@newrobustcmd{\simurgh@xappto}[2]{%
  \if@simurgh@undef{#1}
    {\xdef#1{#2}}
    {\xdef#1{\simurgh@expandonce#1#2}}}

\simurgh@newrobustcmd*{\simurgh@protected@eappto}{\simurgh@protected\simurgh@eappto}
\simurgh@newrobustcmd*{\simurgh@protected@xappto}{\simurgh@protected\simurgh@xappto}

\simurgh@newrobustcmd{\simurgh@preto}[2]{%
  \if@simurgh@undef{#1}
    {\edef#1{\unexpanded{#2}}}
    {\edef#1{\unexpanded{#2}\simurgh@expandonce#1}}}
\simurgh@newrobustcmd{\simurgh@epreto}[2]{%
  \if@simurgh@undef{#1}
    {\edef#1{#2}}
    {\edef#1{#2\simurgh@expandonce#1}}}
\simurgh@newrobustcmd{\simurgh@gpreto}[2]{%
  \if@simurgh@undef{#1}
    {\xdef#1{\unexpanded{#2}}}
    {\xdef#1{\unexpanded{#2}\simurgh@expandonce#1}}}
\simurgh@newrobustcmd{\simurgh@xpreto}[2]{%
  \if@simurgh@undef{#1}
    {\xdef#1{#2}}
    {\xdef#1{#2\simurgh@expandonce#1}}}

\simurgh@newrobustcmd*{\simurgh@protected@epreto}{\simurgh@protected\simurgh@epreto}
\simurgh@newrobustcmd*{\simurgh@protected@xpreto}{\simurgh@protected\simurgh@xpreto}

\simurgh@newrobustcmd*{\simurgh@csappto}[1]{\expandafter\simurgh@appto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@cseappto}[1]{\expandafter\simurgh@eappto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@csgappto}[1]{\expandafter\simurgh@gappto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@csxappto}[1]{\expandafter\simurgh@xappto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@protected@cseappto}{\simurgh@protected\simurgh@cseappto}
\simurgh@newrobustcmd*{\simurgh@protected@csxappto}{\simurgh@protected\simurgh@csxappto}

\simurgh@newrobustcmd*{\simurgh@cspreto}[1]{\expandafter\simurgh@preto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@csepreto}[1]{\expandafter\simurgh@epreto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@csgpreto}[1]{\expandafter\simurgh@gpreto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@csxpreto}[1]{\expandafter\simurgh@xpreto\csname#1\endcsname}
\simurgh@newrobustcmd*{\simurgh@protected@csepreto}{\simurgh@protected\simurgh@csepreto}
\simurgh@newrobustcmd*{\simurgh@protected@csxpreto}{\simurgh@protected\simurgh@csxpreto}

\simurgh@newrobustcmd{\if@simurgh@patchable}{%
  \simurgh@dbg@trce\if@simurgh@patchable
  \begingroup
  \@makeother\#%
  \@ifstar\simurgh@ifpatchable@i\simurgh@ifpatchable}

\long\def\simurgh@ifpatchable#1#2{%
  \endgroup
  \simurgh@dbg@init#1%
  \if@simurgh@undef{#1}
    {\simurgh@dbg@fail{def}\@secondoftwo}
    {\simurgh@dbg@info{def}%
     \if@simurgh@defmacro{#1}
       {\simurgh@dbg@info{mac}%
        \simurgh@ifscanable{#1}
          {\simurgh@ifhashcheck{#2}
             {\simurgh@dbg@info{tok}%
              \simurgh@ifpattern#1{#2}
                 {\simurgh@dbg@info{pat}%
                  \simurgh@dbg@info{pos}\@firstoftwo}
                 {\simurgh@dbg@fail{pat}\@secondoftwo}}
             {\simurgh@dbg@fail{hsh}\@secondoftwo}}
          {\simurgh@dbg@fail{tok}\@secondoftwo}}
       {\simurgh@dbg@fail{mac}\@secondoftwo}}}

\long\def\simurgh@ifpatchable@i#1{%
  \endgroup
  \simurgh@dbg@init#1%
  \if@simurgh@undef{#1}
    {\simurgh@dbg@fail{def}\@secondoftwo}
    {\simurgh@dbg@info{def}%
     \if@simurgh@defmacro{#1}
       {\simurgh@dbg@info{mac}%
        \if@simurgh@defparam{#1}
          {\simurgh@dbg@info{prm}%
           \simurgh@ifscanable{#1}
             {\simurgh@dbg@info{tok}%
              \simurgh@dbg@info{pos}\@firstoftwo}
             {\simurgh@dbg@fail{tok}\@secondoftwo}}
          {\simurgh@dbg@info{prl}%
           \if@simurgh@defprotected{#1}
             {\simurgh@dbg@info{pro}}
             {}%
           \simurgh@dbg@info{pos}\@firstoftwo}}
       {\simurgh@dbg@fail{mac}\@secondoftwo}}}

\simurgh@newrobustcmd*{\simurgh@patchcmd}{%
  \simurgh@dbg@trce\simurgh@patchcmd
  \begingroup
  \@makeother\#%
  \simurgh@@patchcmd}

\newcommand{\simurgh@@patchcmd}[4][########1]{%
  \simurgh@ifpatchable#2{#3}
    {\simurgh@dbg@succ{ret}%
     \begingroup
     \edef\simurgh@resrvda{%
       \def\noexpand\simurgh@resrvda####1\detokenize{macro:}####2->####3&{%
         #1\def\string\simurgh@resrvda\space####2{\noexpand\simurgh@resrvdb####3&}}%
       \def\noexpand\simurgh@resrvdb####1\detokenize{#3}####2&{%
         ####1\detokenize{#4}####2}%
       \edef\noexpand\simurgh@resrvda{%
         \noexpand\simurgh@resrvda\meaning#2&}}%
     \simurgh@resrvda
     \simurgh@patchcmd@scantoks\simurgh@resrvda
     \let#2\simurgh@resrvda
     \simurgh@undef\simurgh@resrvda
     \@firstoftwo}
    {\@secondoftwo}}

\def\simurgh@patchcmd@scantoks#1{%
  \edef\simurgh@resrvda{\endgroup
    \unexpanded{\makeatletter\scantokens}{#1}%
    \catcode\number`\@=\the\catcode`\@\relax}%
  \simurgh@resrvda}


\protected\def\simurgh@ifscanable#1{%
  \begingroup
  \edef\simurgh@resrvda{%
    \def\noexpand\simurgh@resrvda####1\detokenize{macro}:####2->####3&{%
      ####1\def\string\simurgh@resrvda####2{####3}}%
    \edef\noexpand\simurgh@resrvda{\noexpand\simurgh@resrvda\meaning#1&}}%
  \simurgh@resrvda
  \makeatletter
  \scantokens\expandafter{\simurgh@resrvda}%
  \expandafter\endgroup\ifx#1\simurgh@resrvda
    \expandafter\@firstoftwo
  \else
    \expandafter\@secondoftwo
  \fi}

\protected\long\def\simurgh@ifhashcheck#1{%
  \begingroup
  \edef\simurgh@resrvda{\detokenize{#1}}%
  \expandafter\endgroup
  \expandafter\simurgh@ifhashcheck@i\meaning\simurgh@resrvda&}

\edef\simurgh@ifhashcheck@i#1&{%
  \noexpand\expandafter
  \noexpand\simurgh@ifhashcheck@ii
  \noexpand\strip@prefix#1\string#\string#&}

\edef\simurgh@ifhashcheck@ii{%
  \def\noexpand\simurgh@ifhashcheck@ii##1\string#\string###2&}
\simurgh@ifhashcheck@ii{\if@simurgh@blank{#2}}

\protected\long\def\simurgh@ifpattern#1#2{%
  \begingroup
  \edef\simurgh@resrvda{%
    \def\noexpand\simurgh@resrvda####1\detokenize{#2}####2&{%
      \endgroup\noexpand\noexpand\noexpand\if@simurgh@blank{####2}}%
    \edef\noexpand\simurgh@resrvda{\noexpand\simurgh@resrvda
      \expandafter\strip@prefix\meaning#1\detokenize{#2}&}%
    \noexpand\simurgh@resrvda}
  \simurgh@resrvda\@secondoftwo\@firstoftwo}

\newcommand{\if@simurgh@defparam}{}
\long\edef\if@simurgh@defparam#1{%
  \noexpand\expandafter\noexpand\simurgh@ifdefparam
  \noexpand\meaning#1\detokenize{macro}:->&}
\edef\simurgh@ifdefparam{%
  \def\noexpand\simurgh@ifdefparam##1\detokenize{macro}:##2->##3&}
\simurgh@ifdefparam{\simurgh@notblank{#2}}

\newcommand{\if@simurgh@defprotected}{}
\long\edef\if@simurgh@defprotected#1{%
  \noexpand\expandafter\noexpand\simurgh@ifdefprotected
  \noexpand\meaning#1\string\protected&}
\edef\simurgh@ifdefprotected{%
  \def\noexpand\simurgh@ifdefprotected##1\string\protected##2&}
\simurgh@ifdefprotected{\simurgh@notblank{#2}}

\simurgh@newrobustcmd{\simurgh@undef}[1]{\let#1\simurgh@undefined}

\let\simurgh@dbg@trce\@gobble
\let\simurgh@dbg@init\@gobble
\let\simurgh@dbg@info\@gobble
\let\simurgh@dbg@succ\@gobble
\let\simurgh@dbg@fail\@gobble

\simurgh@newrobustcmd*{\simurgh@apptocmd}{%
  \simurgh@dbg@trce\simurgh@apptocmd
  \begingroup
  \@makeother\#%
  \simurgh@hooktocmd\simurgh@append}

\simurgh@newrobustcmd*{\simurgh@pretocmd}{%
  \simurgh@dbg@trce\simurgh@pretocmd
  \begingroup
  \@makeother\#%
  \simurgh@hooktocmd\simurgh@prepend}

\long\def\simurgh@hooktocmd#1#2#3{%
  \endgroup
  \simurgh@dbg@init#2%
  \if@simurgh@undef{#2}
    {\simurgh@dbg@fail{def}\@secondoftwo}
    {\simurgh@dbg@info{def}%
     \if@simurgh@defmacro{#2}
       {\simurgh@dbg@info{mac}%
        \if@simurgh@defparam{#2}
          {\simurgh@dbg@info{prm}%
           \simurgh@ifscanable{#2}
             {\simurgh@ifhashcheck{#3}
                {\simurgh@dbg@info{tok}%
                 \simurgh@dbg@succ{ret}%
                 \simurgh@hooktocmd@i#1#2{#3}%
                 \@firstoftwo}
                {\simurgh@dbg@fail{hsh}\@secondoftwo}}
             {\simurgh@dbg@fail{tok}\@secondoftwo}}
          {\simurgh@dbg@info{prl}%
           \if@simurgh@defprotected{#2}
             {\simurgh@dbg@info{pro}%
              \simurgh@dbg@succ{red}%
              \protected}
             {\simurgh@dbg@succ{red}}%
           \edef#2{#1{\simurgh@expandonce#2}{\unexpanded{#3}}}%
           \@firstoftwo}}
       {\simurgh@dbg@fail{mac}\@secondoftwo}}}

\long\def\simurgh@hooktocmd@i#1#2#3{%
  \begingroup
  \edef\simurgh@resrvda{%
    \def\noexpand\simurgh@resrvda####1\detokenize{macro}:####2->####3&{%
      ####1\def\string\simurgh@resrvda\space####2{#1{####3}{\detokenize{#3}}}}%
    \edef\noexpand\simurgh@resrvda{%
      \noexpand\simurgh@resrvda\meaning#2&}}%
  \simurgh@resrvda
  \simurgh@patchcmd@scantoks\simurgh@resrvda
  \let#2\simurgh@resrvda
  \simurgh@undef\simurgh@resrvda}

\long\def\simurgh@append#1#2{#1#2}
\long\def\simurgh@prepend#1#2{#2#1}

\simurgh@newrobustcmd*{\simurgh@AtEndPreamble}{\simurgh@gappto\simurgh@endpreamblehook}
\newcommand*{\simurgh@endpreamblehook}{}

\simurgh@preto\document{%
  \endgroup
  \let\simurgh@AtEndPreamble\@firstofone
  \simurgh@endpreamblehook
  \protected\def\simurgh@AtEndPreamble{\@notprerr\@gobble}%
  \simurgh@undef\simurgh@endpreamblehook
  \begingroup}

\simurgh@newrobustcmd*{\simurgh@AfterPreamble}{\AtBeginDocument}
\simurgh@AtEndPreamble{\let\simurgh@AfterPreamble\@firstofone}

\simurgh@newrobustcmd*{\simurgh@AfterEndPreamble}{\simurgh@gappto\simurgh@afterendpreamblehook}
\newcommand*{\simurgh@afterendpreamblehook}{}

\simurgh@appto\document{%
  \let\simurgh@AfterEndPreamble\@firstofone
  \simurgh@afterendpreamblehook
  \protected\def\simurgh@AfterEndPreamble{\@notprerr\@gobble}%
  \simurgh@undef\simurgh@afterendpreamblehook
  \ignorespaces}

\AtEndDocument{\let\simurgh@AfterEndPreamble\@gobble}

\simurgh@newrobustcmd*{\simurgh@AfterEndDocument}{\simurgh@gappto\simurgh@afterenddocumenthook}
\newcommand*{\simurgh@afterenddocumenthook}{}

\simurgh@patchcmd\enddocument
  {\deadcycles}
  {\let\simurgh@AfterEndDocument\@firstofone
   \simurgh@afterenddocumenthook
   \deadcycles}
  {}
  {\let\simurgh@@end\@@end
   \def\@@end{%
     \let\simurgh@AfterEndDocument\@firstofone
     \simurgh@afterenddocumenthook
     \simurgh@@end}}

\simurgh@newrobustcmd{\simurgh@AtBeginEnvironment}[1]{%
  \simurgh@csgappto{@begin@#1@hook}}

\simurgh@patchcmd\begin
  {\csname #1\endcsname}
  {\simurgh@csuse{@begin@#1@hook}%
   \csname #1\endcsname}
  {}
  {\simurgh@warning{%
     Patching '\string\begin' failed!\MessageBreak
     '\string\simurgh@AtBeginEnvironment' will not work\@gobble}}

\simurgh@newrobustcmd{\simurgh@AtEndEnvironment}[1]{%
  \simurgh@csgappto{@end@#1@hook}}

\simurgh@patchcmd\end
  {\csname end#1\endcsname}
  {\simurgh@csuse{@end@#1@hook}%
   \csname end#1\endcsname}
  {}
  {\simurgh@warning{%
     Patching '\string\end' failed!\MessageBreak
     '\string\simurgh@AtEndEnvironment' will not work\@gobble}}

\simurgh@newrobustcmd{\simurgh@BeforeBeginEnvironment}[1]{%
  \simurgh@csgappto{@beforebegin@#1@hook}}

\simurgh@pretocmd\begin
  {\simurgh@csuse{@beforebegin@#1@hook}}
  {}
  {\simurgh@warning{%
     Patching '\string\begin' failed!\MessageBreak
     '\string\simurgh@BeforeBeginEnvironment' will not work\@gobble}}

\simurgh@newrobustcmd{\simurgh@AfterEndEnvironment}[1]{%
  \simurgh@csgappto{@afterend@#1@hook}}

\simurgh@patchcmd\end
  {\if@ignore}
  {\simurgh@csuse{@afterend@#1@hook}%
   \if@ignore}
  {}
  {\simurgh@warning{%
     Patching '\string\end' failed!\MessageBreak
     '\string\simurgh@AfterEndEnvironment' will not work\@gobble}}
\endinput