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+%%
+%% This is file `presentation.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% presentation.dtx (with options: `package')
+%%
+\NeedsTeXFormat{LaTeX2e}[1999/12/01]
+\ProvidesPackage{presentation}[2010/06/25 v1.0 presentation for semantic macros]
+\RequirePackage{keyval}[1997/11/10]
+\def\pres@default@precedence{0}
+\def\pres@infty{1000000}
+\def\iprec{\pres@infty}
+\def\niprec{-\pres@infty}
+\def\pres@initial@precedence{0}
+\def\pres@current@precedence{\pres@initial@precedence}
+\def\pres@default@lbrack{(}\def\pres@lbrack{\pres@default@lbrack}
+\def\pres@default@rbrack{)}\def\pres@rbrack{\pres@default@rbrack}
+\def\PrecSet#1{\def\pres@default@precedence{#1}}
+\def\PrecWrite#1{\ifnum\pres@p>\pres@current@precedence\else{#1}\fi}
+\def\prepost@clearkeys{\def\pres@p@key{\pres@default@precedence}\def\pres@pi@key{\niprec}
+\def\pres@lbrack{\pres@default@lbrack}\def\pres@rbrack{\pres@default@rbrack}}
+\define@key{prepost}{lbrack}{\def\pres@lbrack{#1}}
+\define@key{prepost}{rbrack}{\def\pres@lbrack{#1}}
+\define@key{prepost}{p}{\def\pres@p@key{#1}}
+\define@key{prepost}{pi}{\def\pres@pi@key{#1}}
+\newcommand{\prefix}[3][]%key, fn, arg
+{\prepost@clearkeys\setkeys{prepost}{#1}
+{#2}\pres@lbrack{\edef\pres@current@precedence{\pres@pi@key}#3}\pres@rbrack}
+\newcommand{\postfix}[3][]%key, fn, arg
+{\prepost@clearkeys\setkeys{prepost}{#1}
+\pres@lbrack{\edef\pres@current@precedence{\pres@pi@key}#3}\pres@rbrack{#2}}
+\def\clearkeys{\let\pres@p@key=\relax
+\let\pres@pi@key=\relax%
+\let\pres@pi@key=\relax%
+\let\pres@pii@key=\relax%
+\let\pres@piii@key=\relax}
+\define@key{mi}{nobrackets}[yes]{\def\pres@p@key{\pres@infty}%
+\def\pres@pi@key{-\pres@infty}}
+\define@key{mi}{lbrack}{\def\pres@lbrack@key{#1}}
+\define@key{mi}{rbrack}{\def\pres@lbrack@key{#1}}
+\define@key{mi}{p}{\def\pres@p@key{#1}}
+\define@key{mi}{pi}{\def\pres@pi@key{#1}}
+\def\prep@keys@mi%
+{\edef\pres@lbrack{\@ifundefined{pres@lbrack@key}\pres@default@lbrack\pres@lbrack@key}
+\edef\pres@rbrack{\@ifundefined{pres@rbrack@key}\pres@default@rbrack\pres@rbrack@key}
+\edef\pres@p{\@ifundefined{pres@p@key}\pres@default@precedence\pres@p@key}
+\edef\pres@pi{\@ifundefined{pres@pi@key}\pres@p\pres@pi@key}}
+\newcommand{\mixfixi}[4][]%key, pre, arg, post
+{\clearkeys\setkeys{mi}{#1}\prep@keys@mi%
+\PrecWrite\pres@lbrack%
+#2{\edef\pres@current@precedence{\pres@pi}#3}#4%
+\PrecWrite\pres@rbrack}
+\def\@assoc#1#2#3{% precedence, function, argv
+\let\@tmpop=\relax% do not print the function the first time round
+\@for\@I:=#3\do{\@tmpop% print the function
+{\edef\pres@current@precedence{#1}\@I}%
+\let\@tmpop=#2}}%update the function
+\newcommand{\mixfixa}[5][]%key, pre, arg, post, assocop
+{\clearkeys\setkeys{mi}{#1}\prep@keys@mi%
+\PrecWrite\pres@lbrack{#2}{\@assoc\pres@pi{#5}{#3}}{#4}\PrecWrite\pres@rbrack}
+\define@key{mii}{nobrackets}[yes]{\def\pres@p@key{\pres@infty}%
+\def\pres@pi@key{-\pres@infty}\def\pres@pii@key{-\pres@infty}}
+\define@key{mii}{lbrack}{\def\pres@lbrack@key{#1}}
+\define@key{mii}{rbrack}{\def\pres@lbrack@key{#1}}
+\define@key{mii}{p}{\def\pres@p@key{#1}}
+\define@key{mii}{pi}{\def\pres@pi@key{#1}}
+\define@key{mii}{pii}{\def\pres@pii@key{#1}}
+\def\prep@keys@mii{\prep@keys@mi%
+\edef\pres@pii{\@ifundefined{pres@pii@key}\pres@p\pres@pii@key}}
+\newcommand{\mixfixii}[6][]%key, pre, arg1, mid, arg2, post
+{\clearkeys\setkeys{mii}{#1}\prep@keys@mii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\edef\pres@current@precedence{\pres@pi}#3}%
+#4{\edef\pres@current@precedence{\pres@pii}#5}#6%
+\PrecWrite\pres@rbrack}
+\newcommand{\mixfixia}[7][]%key, pre, arg1, mid, arg2, post, assocop
+{\clearkeys\setkeys{mii}{#1}\prep@keys@mii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\edef\pres@current@precedence{\pres@pi}#3}%
+#4{\@assoc\pres@pii{#7}{#5}}#6%
+\PrecWrite\pres@rbrack}
+\newcommand{\mixfixai}[7][]%key, pre, arg1, mid, arg2, post, assocop
+{\clearkeys\setkeys{mii}{#1}\prep@keys@mii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\@assoc\pres@pi{#7}{#3}}%
+#4{\edef\pres@current@precedence{\pres@pii}#5}#6%
+\PrecWrite\pres@rbrack}
+\define@key{miii}{nobrackets}[yes]{\def\pres@p@key{\pres@infty}%
+\def\pres@pi@key{-\pres@infty}\def\pres@pii@key{-\pres@infty}\def\pres@pii@key{-\pres@infty}}
+\define@key{miii}{lbrack}{\def\pres@lbrack@key{#1}}
+\define@key{miii}{rbrack}{\def\pres@lbrack@key{#1}}
+\define@key{miii}{p}{\def\pres@p@key{#1}}
+\define@key{miii}{pi}{\def\pres@pi@key{#1}}
+\define@key{miii}{pii}{\def\pres@pii@key{#1}}
+\define@key{miii}{piii}{\def\pres@piii@key{#1}}
+\def\prep@keys@miii{\prep@keys@mii\edef\pres@piii{\@ifundefined{pres@piii@key}{\pres@p}{\pres@piii@key}}}
+\newcommand{\mixfixiii}[8][]%key, pre, arg1, mid1, arg2, mid2, arg3, post
+{\clearkeys\setkeys{miii}{#1}\prep@keys@miii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\edef\pres@current@precedence{\pres@pi}#3}%
+#4{\edef\pres@current@precedence{\pres@pii}#5}%
+#6{\edef\pres@current@precedence{\pres@pii}#7}#8%
+\PrecWrite\pres@rbrack}
+\newcommand{\mixfixaii}[9][]%key, pre, arg1, mid1, arg2, mid2, arg3, post, sep
+{\clearkeys\setkeys{miii}{#1}\prep@keys@miii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\@assoc\pres@pi{#9}{#3}}%
+#4{\edef\pres@current@precedence{\pres@pii}#5}%
+#6{\edef\pres@current@precedence{\pres@pii}#7}#8%
+\PrecWrite\pres@rbrack}
+\newcommand{\mixfixiai}[9][]%key, pre, arg1, mid1, arg2, mid2, arg3, post, assocop
+{\clearkeys\setkeys{miii}{#1}\prep@keys@miii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\edef\pres@current@precedence{\pres@pi}#3}%
+#4{\@assoc\pres@pi{#9}{#5}}%
+#6{\edef\pres@current@precedence{\pres@pii}#7}#8%
+\PrecWrite\pres@rbrack}
+\newcommand{\mixfixiia}[9][]%key, pre, arg1, mid1, arg2, mid2, arg3, post,assocop
+{\clearkeys\setkeys{miii}{#1}\prep@keys@miii%
+\PrecWrite\pres@lbrack% write bracket if necessary
+#2{\edef\pres@current@precedence{\pres@pi}#3}%
+#4{\edef\pres@current@precedence{\pres@pii}#5}%
+#6{\@assoc\pres@pi{#9}{#7}}#8%
+\PrecWrite\pres@rbrack}
+\newcommand{\prefixa}[4][]%keys, fn, arg, sep
+{\prepost@clearkeys\setkeys{prepost}{#1}
+{#2}\pres@lbrack{\@assoc\pres@pi@key{#3}{#4}}\pres@rbrack}
+\newcommand{\postfixa}[4][]%keys, fn, arg, sep
+{\prepost@clearkeys\setkeys{prepost}{#1}
+\pres@lbrack{\@assoc\pres@pi@key{#3}{#4}}\pres@rbrack{#2}}
+\newcommand{\infix}[4][]{\mixfixii[#1]{}{#3}{#2}{#4}{}}
+\newcommand{\assoc}[3][]{\mixfixa[#1]{}{#3}{}{#2}}
+\def\setegroup#1#2{\expandafter\def\csname #1@egroup\endcsname{#2}}
+\def\elide#1#2#3{\@ifundefined{#1@egroup}%
+{\def\@elevel{0}
+\PackageError{presentation}{undefined egroup #1, assuming value 0}%
+{When calling \protect\elide{#1}... the elision group #1 has be have\MessageBreak
+been set by \protect\setegroup before, e.g. by \protect\setegroup{an}{0}.}}%
+{\edef\@elevel{\csname #1@egroup\endcsname}}%
+\ifnum\@elevel>#2\else{#3}\fi}
+\def\provideEdefault#1#2{\expandafter\def\csname#1@edefault\endcsname{#2}
+\@ifundefined{this@module}{}%
+{\expandafter\g@addto@macro\this@module{\expandafter\def\csname#1@edefault\endcsname{#2}}}}
+\def\setEdefault#1#2{\expandafter\def\csname #1@edfault\endcsname{#2}}
+\def\fromEcontext#1{\csname #1@edefault\endcsname}
+\newcommand{\vname}[2][]{#2\def\@opt{#1}\ifx\@opt\@empty\else\expandafter\gdef\csname MOD@name@#1\endcsname{#2}\fi}
+\def\vnref#1{\csname MOD@name@#1\endcsname}
+\newcommand{\primvar}[2][]{\vname[#1]{#2^\prime}}
+\newcommand{\pprimvar}[2][]{\vname[#1]{#2^{\prime\prime}}}
+\newcommand{\uivar}[3][]{\vname[#1]{{#2}^{#3}}}
+\newcommand{\livar}[3][]{\vname[#1]{{#2}_{#3}}}
+\newcommand{\ulivar}[4][]{\vname[#1]{{#2}^{#3}_{#4}}}
+\endinput
+%%
+%% End of file `presentation.sty'.