| 1 | % +--------------------------------------------------+
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| 2 | % | Typeset enumitem.tex to get the documentation. |
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| 3 | % +--------------------------------------------------+
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| 4 | %
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| 5 | % Copyright (c) 2003-2004 by Javier Bezos.
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| 6 | % All Rights Reserved.
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| 7 | %
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| 8 | % This file is part of the enumitem distribution release 1.0
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| 9 | % -----------------------------------------------------------
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| 10 | %
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| 11 | % This program can be redistributed and/or modified under the terms
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| 12 | % of the LaTeX Project Public License Distributed from CTAN
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| 13 | % archives in directory macros/latex/base/lppl.txt; either
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| 14 | % version 1 of the License, or any later version.
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| 15 | %
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| 16 | % Notes
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| 17 | % ~~~~~
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| 18 | %
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| 19 | % The tag enit@ is used through the style
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| 20 | %
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| 21 | % Release
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| 22 | % ~~~~~~~
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| 23 |
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| 24 | \NeedsTeXFormat{LaTeX2e}
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| 25 | \ProvidesPackage{enumitem}[2004/07/19 v1.0 Customized lists]
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| 26 |
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| 27 | % Reponer \lableindent a 0 siempre
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| 28 |
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| 29 | \@ifundefined{define@key}{\RequirePackage{keyval}}{}%
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| 30 |
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| 31 | \newlength{\labelindent}
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| 32 |
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| 33 | % Vertical spacing
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| 34 |
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| 35 | \define@key{enumitem}{topsep}{%
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| 36 | \setlength{\topsep}{#1}}
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| 37 |
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| 38 | \define@key{enumitem}{itemsep}{%
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| 39 | \setlength{\itemsep}{#1}}
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| 40 |
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| 41 | \define@key{enumitem}{parsep}{%
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| 42 | \setlength{\parsep}{#1}}
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| 43 |
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| 44 | \define@key{enumitem}{partopsep}{%
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| 45 | \setlength{\partopsep}{#1}}
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| 46 |
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| 47 | % Horizontal spacing
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| 48 |
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| 49 | \define@key{enumitem}{itemindent}{%
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| 50 | \setlength{\itemindent}{#1}}
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| 51 |
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| 52 | \define@key{enumitem}{listparindent}{%
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| 53 | \setlength{\listparindent}{#1}}
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| 54 |
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| 55 | \define@key{enumitem}{labelwidth}{%
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| 56 | \setlength{\labelwidth}{#1}}
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| 57 |
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| 58 | \define@key{enumitem}{labelindent}{%
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| 59 | \setlength{\labelindent}{#1}}
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| 60 |
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| 61 | \define@key{enumitem}{rightmargin}{%
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| 62 | \setlength{\rightmargin}{#1}}
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| 63 |
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| 64 | \define@key{enumitem}{leftmargin}{%
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| 65 | \if*#1%
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| 66 | \def\enit@calcleft{%
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| 67 | \enit@calclabel
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| 68 | \leftmargin\labelwidth
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| 69 | \advance\leftmargin\labelsep
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| 70 | \advance\leftmargin\labelindent
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| 71 | \advance\labelindent-\itemindent}%
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| 72 | \else
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| 73 | \setlength{\leftmargin}{#1}%
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| 74 | \fi}
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| 75 |
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| 76 | \define@key{enumitem}{labelsep}{%
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| 77 | \if*#1%
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| 78 | \def\enit@calcleft{%
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| 79 | \advance\labelindent-\itemindent
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| 80 | \enit@calclabel
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| 81 | \labelsep\leftmargin
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| 82 | \advance\labelsep-\labelwidth
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| 83 | \advance\labelsep-\labelindent}%
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| 84 | \else
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| 85 | \setlength{\labelsep}{#1}%
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| 86 | \fi}
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| 87 |
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| 88 | \define@key{enumitem}{widest}{%
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| 89 | \expandafter\def
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| 90 | \csname enit@widest\@enumctr\endcsname{#1}}
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| 91 |
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| 92 | \def\enit@calclabel{%
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| 93 | \begingroup
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| 94 | \enit@calcdef\@arabic\enit@arabic{0}%
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| 95 | \enit@calcdef\@alph\enit@alph{m}%
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| 96 | \enit@calcdef\@Alph\enit@Alph{M}%
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| 97 | \enit@calcdef\@roman\enit@roman{viii}%
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| 98 | \enit@calcdef\@Roman\enit@Roman{VIII}%
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| 99 | \settowidth\labelwidth{\@itemlabel}%
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| 100 | \xdef\enit@a{\labelwidth\the\labelwidth\relax}%
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| 101 | \endgroup
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| 102 | \enit@a}
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| 103 |
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| 104 | % Used below to gobble \c@ from the internal representation
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| 105 | % of counters.
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| 106 |
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| 107 | \def\@gobblethree#1#2#3{}
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| 108 |
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| 109 | \def\enit@calcdef#1#2#3{%
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| 110 | \let#2#1%
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| 111 | \def#1##1{%
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| 112 | \@ifundefined{enit@widest\expandafter\@gobblethree\string##1}% if no widest key
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| 113 | {#3}%
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| 114 | {\csname enit@widest\expandafter\@gobblethree\string##1\endcsname}}}
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| 115 |
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| 116 | % Resume and start
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| 117 |
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| 118 | \define@key{enumitem}{resume}[]{%
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| 119 | \enit@resume\relax}
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| 120 |
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| 121 | \define@key{enumitem}{start}[\@ne]{%
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| 122 | \csname c@\@listctr\endcsname#1\relax
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| 123 | \advance\csname c@\@listctr\endcsname\m@ne}
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| 124 |
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| 125 | % How the label is aligned
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| 126 |
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| 127 | \let\enit@alignright\@empty
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| 128 | \def\enit@alignleft{%
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| 129 | \def\makelabel##1{\rlap{##1}\hss}}
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| 130 |
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| 131 | \define@key{enumitem}{align}{%
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| 132 | \csname enit@align#1\endcsname}
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| 133 |
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| 134 | % Penalties
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| 135 |
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| 136 | \define@key{enumitem}{beginpenalty}{%
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| 137 | \@beginparpenalty#1\relax}
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| 138 |
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| 139 | \define@key{enumitem}{midpenalty}{%
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| 140 | \@itempenalty#1\relax}
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| 141 |
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| 142 | \define@key{enumitem}{endpenalty}{%
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| 143 | \@endparpenalty#1\relax}
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| 144 |
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| 145 |
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| 146 | % description specific keys
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| 147 |
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| 148 | \define@key{enumitem}{font}[]{%
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| 149 | \def\makelabel##1{\hskip\labelsep\normalfont#1##1}}
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| 150 |
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| 151 | \define@key{enumitem}{style}[normal]{%
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| 152 | \edef\enit@descstyle{%
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| 153 | \expandafter\noexpand\csname enit@#1style\endcsname}}
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| 154 |
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| 155 | \let\enit@normalstyle\@firstofone
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| 156 |
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| 157 | % Labels and refs
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| 158 |
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| 159 | \define@key{enumitem}{label}{%
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| 160 | \enit@normlabel{#1}% Returns \enit@a
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| 161 | \expandafter\let\@itemlabel\enit@a
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| 162 | %ie, redefine \labelenumX or \labelitemX.
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| 163 | \ifx\enit@ref\relax\enit@reflabel{#1}\fi}
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| 164 | %ie, only if there is not a previous ref=
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| 165 | % Normalization is done twice. Not good.
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| 166 |
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| 167 | \define@key{enumitem}{ref}{%
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| 168 | \enit@reflabel{#1}}
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| 169 |
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| 170 | %\expandafter\def\csname c@*\endcsname{\csname c@\@enumctr\endcsname}
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| 171 |
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| 172 | \def\enit@normlabel#1{%
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| 173 | \begingroup
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| 174 | \enit@refstar\arabic
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| 175 | \enit@refstar\alph
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| 176 | \enit@refstar\Alph
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| 177 | \enit@refstar\roman
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| 178 | \enit@refstar\Roman
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| 179 | \enit@refstar\value
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| 180 | \enit@refstar\@arabic
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| 181 | \enit@refstar\@alph
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| 182 | \enit@refstar\@Alph
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| 183 | \enit@refstar\@roman
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| 184 | \enit@refstar\@Roman
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| 185 | \protected@xdef\enit@a{#1}%
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| 186 | \endgroup}
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| 187 |
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| 188 | \def\enit@reflabel#1{%
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| 189 | \def\enit@ref{%
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| 190 | \ifnum\@enumdepth=\@ne\else % no level 0
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| 191 | \advance\@enumdepth\@ne
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| 192 | \@namedef{p@\@enumctr}{}% Don't accumulate labels
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| 193 | \advance\@enumdepth\m@ne
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| 194 | \fi
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| 195 | \enit@normlabel{#1}% Returns \enit@a
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| 196 | \expandafter
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| 197 | \let\csname the\@enumctr\endcsname\enit@a}}
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| 198 |
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| 199 | \def\enit@refstar#1{%
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| 200 | \def#1##1{%
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| 201 | \if*##1\@empty
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| 202 | \noexpand#1{enum\romannumeral\@enumdepth}%
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| 203 | \else
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| 204 | \noexpand#1{##1}%
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| 205 | \fi}}
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| 206 |
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| 207 | \def\enit@setkeys#1{%
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| 208 | \@ifundefined{#1}{}%
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| 209 | {\toks@\expandafter\expandafter\expandafter
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| 210 | {\csname#1\endcsname}%
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| 211 | \edef\enit@a{%
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| 212 | \noexpand\setkeys{enumitem}{\the\toks@}}%
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| 213 | \enit@a
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| 214 | \ifx\enit@ref\relax\else % Not a logical place, grrr
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| 215 | \let\enit@saveref\enit@ref
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| 216 | \let\enit@ref\relax
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| 217 | \fi}}
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| 218 |
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| 219 | % And now, the three environments are redefined.
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| 220 | % First, code shared by enumerate and itemize.
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| 221 |
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| 222 | \newdimen\enit@outerparindent
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| 223 |
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| 224 | \def\enit@preset{%
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| 225 | \def\makelabel##1{\hss\llap{##1}}%
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| 226 | \let\enit@calcleft\relax
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| 227 | \let\enit@widest\@empty
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| 228 | \labelindent\z@skip
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| 229 | \ifnum\@listdepth=\@ne
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| 230 | \enit@outerparindent\parindent
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| 231 | \else
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| 232 | \parindent\enit@outerparindent
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| 233 | \fi
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| 234 | \enit@setkeys
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| 235 | {enit@list}%
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| 236 | \enit@setkeys
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| 237 | {enit@list\romannumeral\@listdepth}}
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| 238 |
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| 239 | \def\enit@enumerate#1{%
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| 240 | \ifnum \@enumdepth >\thr@@
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| 241 | \@toodeep
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| 242 | \else
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| 243 | \advance\@enumdepth\@ne
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| 244 | \edef\@enumctr{enum\romannumeral\@enumdepth}%
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| 245 | \expandafter
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| 246 | \list
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| 247 | \csname label\@enumctr\endcsname
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| 248 | {\usecounter\@enumctr
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| 249 | \let\enit@ref\relax
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| 250 | \let\enit@saveref\relax
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| 251 | \enit@normlabel{\@itemlabel}% Returns \enit@a
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| 252 | \expandafter\let\@itemlabel\enit@a
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| 253 | \enit@preset
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| 254 | \enit@setkeys
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| 255 | {enit@enum}%
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| 256 | \enit@setkeys
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| 257 | {enit@\@enumctr}%
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| 258 | \setkeys{enumitem}{#1}%
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| 259 | \enit@calcleft
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| 260 | \ifx\enit@ref\relax
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| 261 | \enit@saveref
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| 262 | \else
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| 263 | \enit@ref
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| 264 | \fi}%
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| 265 | \fi}
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| 266 |
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| 267 | \def\enit@endenumerate{%
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| 268 | \endlist
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| 269 | \xdef\enit@resume{%
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| 270 | \csname c@\@listctr\endcsname
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| 271 | \the\csname c@\@listctr\endcsname}}
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| 272 |
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| 273 | \renewenvironment{enumerate}[1][]
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| 274 | {\enit@enumerate{#1}}
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| 275 | {\enit@endenumerate}
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| 276 |
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| 277 | \def\enit@itemize#1{%
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| 278 | \ifnum \@itemdepth >\thr@@
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| 279 | \@toodeep
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| 280 | \else
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| 281 | \advance\@itemdepth\@ne
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| 282 | \edef\@itemitem{labelitem\romannumeral\@itemdepth}%
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| 283 | \expandafter
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| 284 | \list
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| 285 | \csname\@itemitem\endcsname
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| 286 | {\enit@preset
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| 287 | \enit@setkeys
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| 288 | {enit@item}%
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| 289 | \enit@setkeys
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| 290 | {enit@item\romannumeral\@itemdepth}%
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| 291 | \setkeys{enumitem}{#1}%
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| 292 | \enit@calcleft}%
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| 293 | \fi}
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| 294 |
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| 295 | \let\enit@enditemize\itemize
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| 296 |
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| 297 | \renewcommand{\itemize}[1][]{\enit@itemize{#1}}
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| 298 |
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| 299 | \renewcommand{\description}[1][]{%
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| 300 | \list{}%
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| 301 | {\labelwidth\z@
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| 302 | \let\makelabel\descriptionlabel
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| 303 | \let\enit@descstyle\enit@normalstyle
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| 304 | \labelindent\z@skip
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| 305 | \enit@setkeys
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| 306 | {enit@list}%
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| 307 | \enit@setkeys
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| 308 | {enit@list\romannumeral\@listdepth}%
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| 309 | \enit@setkeys
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| 310 | {enit@desc}%
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| 311 | \setkeys{enumitem}{#1}%
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| 312 | \itemindent-\leftmargin
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| 313 | \advance\itemindent\labelindent
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| 314 | \let\enit@makelabel\makelabel
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| 315 | \def\makelabel##1{%
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| 316 | \enit@descstyle{\enit@makelabel{##1}}}}}
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| 317 |
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| 318 | % Option ignoredisplayed (see below).
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| 319 |
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| 320 | \def\enit@trivlist{%
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| 321 | \parsep\parskip
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| 322 | \csname @list\romannumeral\the\@listdepth\endcsname
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| 323 | \@nmbrlistfalse
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| 324 | \enit@setkeys
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| 325 | {enit@triv}%
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| 326 | \enit@setkeys
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| 327 | {enit@triv\romannumeral\@listdepth}%
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| 328 | \@trivlist
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| 329 | \labelwidth\z@
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| 330 | \leftmargin\z@
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| 331 | \itemindent\z@
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| 332 | \let\@itemlabel\@empty
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| 333 | \def\makelabel##1{##1}}
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| 334 |
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| 335 | % description styles
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| 336 |
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| 337 | % the next definition is somewhat tricky because
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| 338 | % labels are boxed. That's fine when the label is
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| 339 | % just placed at the begining of a line of text,
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| 340 | % but when the box is placed whithout horizontal
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| 341 | % material, leading is killed. Therefore,
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| 342 | % solutions based on the LaTeX Companion are wrong.
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| 343 | % Here, the \everypar in \@item is overriden
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| 344 | % and the label is printed directly, without
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| 345 | % boxing it.
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| 346 |
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| 347 | \def\enit@nextlinestyle#1{%
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| 348 | \hskip-\itemindent % quick & dirty --what's happening?
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| 349 | \global\everypar{%
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| 350 | \@minipagefalse
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| 351 | \global\@newlistfalse
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| 352 | \if@inlabel
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| 353 | \global\@inlabelfalse
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| 354 | {\setbox\z@\lastbox
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| 355 | \ifvoid\z@
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| 356 | \kern-\itemindent
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| 357 | \fi
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| 358 | \sbox\z@{\hskip\labelindent#1\hskip\labelsep}%
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| 359 | \ifdim\wd\z@>\leftmargin
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| 360 | {\advance\leftskip-\leftmargin
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| 361 | \advance\leftskip\labelindent
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| 362 | \hskip-\labelsep
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| 363 | #1%
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| 364 | \vskip-\parskip}%
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| 365 | \else
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| 366 | \hskip-\leftmargin\hskip-\labelsep\hskip\labelindent
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| 367 | \rlap{#1}%
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| 368 | \hskip\leftmargin\hskip\labelsep\hskip-\labelindent
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| 369 | \fi}%
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| 370 | \fi
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| 371 | \if@nobreak
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| 372 | \@nobreakfalse
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| 373 | \clubpenalty \@M
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| 374 | \else
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| 375 | \clubpenalty \@clubpenalty
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| 376 | \everypar{}%
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| 377 | \fi}}
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| 378 |
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| 379 | \def\enit@multilinestyle#1{%
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| 380 | \dimen@\leftmargin
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| 381 | \advance\dimen@-\labelsep
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| 382 | \advance\dimen@-\labelindent
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| 383 | \sbox\z@{%
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| 384 | \parbox[t]\dimen@{%
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| 385 | \raggedright\hskip-\labelsep#1}}%
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| 386 | \dp\z@\z@
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| 387 | \hskip\labelsep\box\z@
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| 388 | \hfil}
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| 389 |
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| 390 | \def\enit@unboxedstyle#1{%
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| 391 | \hskip-\itemindent
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| 392 | \global\everypar{%
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| 393 | \@minipagefalse
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| 394 | \global\@newlistfalse
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| 395 | \if@inlabel
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| 396 | \global\@inlabelfalse
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| 397 | {\setbox\z@\lastbox
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| 398 | \ifvoid\z@
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| 399 | \kern-\itemindent
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| 400 | \fi%
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| 401 | \hskip-\leftmargin\hskip-\labelsep\hskip\labelindent
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| 402 | #1%
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| 403 | \hskip\labelsep}%
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| 404 | \fi
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| 405 | \if@nobreak
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| 406 | \@nobreakfalse
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| 407 | \clubpenalty \@M
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| 408 | \else
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| 409 | \clubpenalty \@clubpenalty
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| 410 | \global\everypar{}%
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| 411 | \fi}}
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| 412 |
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| 413 | \def\enit@samelinestyle#1{%
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| 414 | \hskip-\itemindent
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| 415 | \global\everypar{%
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| 416 | \@minipagefalse
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| 417 | \global\@newlistfalse
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| 418 | \if@inlabel
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| 419 | \global\@inlabelfalse
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| 420 | {\setbox\z@\lastbox
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| 421 | \ifvoid\z@
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| 422 | \kern-\itemindent
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|---|
| 423 | \fi
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| 424 | \sbox\z@{\hskip\labelindent#1\hskip\labelsep}%
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| 425 | \ifdim\wd\z@>\leftmargin
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| 426 | \hskip-\leftmargin
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| 427 | \hskip-\labelsep
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| 428 | \hskip\labelindent
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| 429 | #1%
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| 430 | \hskip\labelsep
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| 431 | \else
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| 432 | \hskip-\leftmargin
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|---|
| 433 | \hskip-\labelsep
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|---|
| 434 | \hskip\labelindent
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|---|
| 435 | \rlap{#1}%
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|---|
| 436 | \hskip\leftmargin
|
|---|
| 437 | \hskip\labelsep
|
|---|
| 438 | \hskip-\labelindent
|
|---|
| 439 | \fi}%
|
|---|
| 440 | \fi
|
|---|
| 441 | \if@nobreak
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|---|
| 442 | \@nobreakfalse
|
|---|
| 443 | \clubpenalty \@M
|
|---|
| 444 | \else
|
|---|
| 445 | \clubpenalty \@clubpenalty
|
|---|
| 446 | \everypar{}%
|
|---|
| 447 | \fi}}
|
|---|
| 448 |
|
|---|
| 449 | % Formatting lists globally
|
|---|
| 450 |
|
|---|
| 451 | \newcommand\setenumerate[1][0]{%
|
|---|
| 452 | \expandafter\def\csname enit@enum\romannumeral#1\endcsname}
|
|---|
| 453 |
|
|---|
| 454 | \newcommand\setitemize[1][0]{%
|
|---|
| 455 | \expandafter\def\csname enit@item\romannumeral#1\endcsname}
|
|---|
| 456 |
|
|---|
| 457 | \def\setdescription{\def\enit@desc}
|
|---|
| 458 |
|
|---|
| 459 | \newcommand\setlist[1][0]{%
|
|---|
| 460 | \expandafter\def\csname enit@list\romannumeral#1\endcsname}
|
|---|
| 461 |
|
|---|
| 462 | \newcommand\setdisplayed[1][0]{%
|
|---|
| 463 | \expandafter\def\csname enit@triv\romannumeral#1\endcsname}
|
|---|
| 464 |
|
|---|
| 465 | % A few useful predefined keys
|
|---|
| 466 |
|
|---|
| 467 | \define@key{enumitem}{nolistsep}[true]{%
|
|---|
| 468 | \partopsep=\z@skip
|
|---|
| 469 | \topsep=\z@ plus .1pt
|
|---|
| 470 | \itemsep=\z@skip
|
|---|
| 471 | \parsep=\z@skip}
|
|---|
| 472 |
|
|---|
| 473 | \define@key{enumitem}{noitemsep}[true]{%
|
|---|
| 474 | \itemsep=\z@skip
|
|---|
| 475 | \parsep=\z@skip}
|
|---|
| 476 |
|
|---|
| 477 | \define@key{enumitem}{fullwidth}[true]{%
|
|---|
| 478 | \leftmargin\z@
|
|---|
| 479 | \labelwidth\z@
|
|---|
| 480 | \def\makelabel##1{%
|
|---|
| 481 | \hskip\labelsep##1}}
|
|---|
| 482 |
|
|---|
| 483 | % And options
|
|---|
| 484 |
|
|---|
| 485 | \DeclareOption{ignoredisplayed}{\let\enit@trivlist\trivlist}
|
|---|
| 486 |
|
|---|
| 487 | \ProcessOptions
|
|---|
| 488 |
|
|---|
| 489 | \let\trivlist\enit@trivlist
|
|---|
| 490 |
|
|---|
| 491 | \endinput
|
|---|
