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diff --git a/macros/latex/contrib/akktex/source/akktex/math/akkmathset.sty b/macros/latex/contrib/akktex/source/akktex/math/akkmathset.sty
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+++ b/macros/latex/contrib/akktex/source/akktex/math/akkmathset.sty
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+%=====================================================================================================================================
+% Package akkmathset by Igor Akkerman (c) 2000, 2001, 2002, 2003, 2004, 2005
+% Package providing utilities for typesetting mathematical sets.
+%
+% This work may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License (latest version).
+%
+% The latest version of this license can be found at
+% http://www.latex-project.org/lppl.txt
+%
+% This file may only be distributed together with the full 'AkkTeX' bundle.
+%=====================================================================================================================================
+\NeedsTeXFormat{LaTeX2e}[1995/12/01]
+\ProvidesPackage{akkmathset}[2005/04/30 1.0.0 by Igor Akkerman (c) 2000, 2001, 2002, 2003, 2004 Package providing utilities for typesetting mathematical sets]
+%=====================================================================================================================================
+
+\RequirePackage{amsmath}
+\RequirePackage{amssymb}
+\RequirePackage{amstext}
+\RequirePackage{latexsym}
+%-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
+\newcommand \NN {{\mathbb N}}
+\newcommand \NNN {{\NN\minuszero}}
+\newcommand \RR {{\mathbb R}}
+\newcommand \RRm {\RR^m}
+\newcommand \RRn {\RR^n}
+\newcommand \QQ {{\mathbb Q}}
+\newcommand \ZZ {{\mathbb Z}}
+\newcommand \CC {{\mathbb C}}
+\newcommand \CCm {\CC^m}
+\newcommand \CCn {\CC^n}
+\newcommand \KK {{\mathbb K}}
+\newcommand \KKm {\KK^m}
+\newcommand \KKn {\KK^n}
+\newcommand \LL {{\mathbb L}}
+\newcommand \BB {{\mathcal B}}
+\newcommand \PP {{\mathcal P}}
+\newcommand \VV {{\mathcal V}}
+
+\newcommand \CCC {{\mathcal C}}
+
+\newcommand \set[1] {\{#1\}}
+\newcommand \Set[1] {\openSet #1 \closeSet}
+\newcommand \openSet {\!\left\{\left.}
+\newcommand \closeSet {\right.\right\}\!}
+
+\newcommand \setcard[1] {{\left| #1 \right|}}
+
+% `such that' bar
+\newcommand \sth {\,|\,}
+\newcommand \Sth {\right| \left.}
+
+\newcommand \sm \setminus
+\newcommand \setcomp[1] {{\overline{{#1}}}}
+\newcommand \C[1] {{\setcomp{#1}}}
+
+\newcommand \zeroset {{\set 0}}
+\newcommand \minuszero {{\setminus\zeroset}}
+\newcommand \Minuszero {{\!\setminus\!\zeroset}}
+\newcommand \mz \minuszero
+\newcommand \Mz \Minuszero
+\newcommand \pset[1] {{\PP({#1})}}
+\newcommand \Pset[1] {{\PP\({#1}\)}}
+
+\newcommand \Abb {{\operatorname{Abb}}}
+\newcommand \mker {{\operatorname{ker}}}
+\newcommand \Ker {{\operatorname{Ker}}}
+\newcommand \Kern {{\operatorname{Kern}}}
+\newcommand \Bild {{\operatorname{Bild}}}
+\renewcommand \Im {{\operatorname{Im}}}
+\newcommand \End {{\operatorname{End}}}
+\newcommand \Eig {{\operatorname{Eig}}}
+\newcommand \Hom {{\operatorname{Hom}}}
+\newcommand \Mat {{\operatorname{Mat}}}
+\newcommand \gl {{\operatorname{GL}}}
+\newcommand \GL {{\operatorname{GL}}}
+\newcommand \mspan[1][] {{\operatorname{span}\ifset{#1}{\Set{#1}}}}
+\newcommand \Span [1][] {{\operatorname{Span}\ifset{#1}{\Set{#1}}}}
+\newcommand \erz[1] {\bigl[#1\bigr]}
+\newcommand \Erz[1] {\left[#1\right]}
+
+\newcommand \closure[1] {{\overline{{#1}}}}
+\newcommand \jset {{\set{1,\dots,j}}}
+\newcommand \kset {{\set{1,\dots,k}}}
+\newcommand \nset {{\set{1,\dots,n}}}
+\newcommand \mset {{\set{1,\dots,m}}}
+
+% big set union with limits
+\newcommand \Bigcup[1] {{\bigcup\limits_{#1}}}
+
+% big set intersection with limits
+\newcommand \Bigcap[1] {{\bigcap\limits_{#1}}}
+
+% equivalence class
+\newcommand \equivclass[2][] {{[{#2}]_{{#1}}}}
+\newcommand \eqclass[2][] {{\equivclass{1}{2}}}
+
+% quotient set
+\newcommand \quot[2] {{{#1}/\!\raisebox{-.575ex}{\ensuremath{#2}}}}
+
+% square set MxM
+\newcommand \sqset[1] {#1 \times #1}
+\newcommand \sqseta {\sqset A}
+\newcommand \sqsetb {\sqset B}
+\newcommand \sqsetc {\sqset C}
+\newcommand \sqsetcc {\sqset \CC}
+\newcommand \sqseti {\sqset I}
+\newcommand \sqsetkk {\sqset \KK}
+\newcommand \sqsetm {\sqset M}
+\newcommand \sqsetnn {\sqset \NN}
+\newcommand \sqsetqq {\sqset \QQ}
+\newcommand \sqsetr {\sqset R}
+\newcommand \sqsetrr {\sqset \RR}
+\newcommand \sqsets {\sqset S}
+\newcommand \sqsett {\sqset T}
+\newcommand \sqsetu {\sqset U}
+\newcommand \sqsetv {\sqset V}
+\newcommand \sqsetw {\sqset W}
+\newcommand \sqsetx {\sqset X}
+\newcommand \sqsety {\sqset Y}
+\newcommand \sqsetz {\sqset Z}
+\newcommand \sqsetzz {\sqset \ZZ}
+
+%------------------------------------------------------------------------------
+% families
+%------------------------------------------------------------------------------
+\newcommand \family[3] {{{\({{#1}_{#2}}\)}_{{#2} \in {#3}}}}
+\newcommand \ifam[1] {{\family{#1} i I}}
+
+%------------------------------------------------------------------------------
+% elements
+%------------------------------------------------------------------------------
+\newcommand \nin {{n\in\NN}}
+\newcommand \ninn {{n\in\NNN}}
+\newcommand \kin {{k\in\NN}}
+\newcommand \kinn {{k\in\NNN}}
+\newcommand \ini {{i\in I}}
+