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20. Modelo de art´ıculo con organizador de informa-
ci´on.
A continuaci´on presentamos un organizador de informaci´on:
\documentclass{article}
\usepackage[active,tightpage]{preview}
\usepackage{varwidth}
\usepackage[dvipsnames,x11names,svgnames]{xcolor}
\usepackage{tikz}
\usetikzlibrary{positioning,backgrounds,chains,shapes}
% \PreviewEnvironment{tikzpicture}
\usepackage{polyglossia}
\usepackage{xeCJK}
\setotherlanguages{arabic,hindi,tamil,greek,thai,tibetan,russian}
% FreeSerif is VERY versatile when it comes to multilingual character sets.
% FreeSans is a little less so, so we’ll have to re-define the sans-serif fonts for
\setmainfont{FreeSerif}
\setsansfont[Scale=0.9]{FreeSans}
\setCJKmainfont{AR PL UKai CN}
\setCJKsansfont{WenQuanYi Micro Hei}
\newcommand{\tqLemma}[4][]{\node[lemma] (#2) [draw=#3,fill=#3!30,
%label={[draw=#3!50,fill=#3!10]above:#2},
#1] {#4} ;}
\tikzset{every node/.append style={draw}}
\tikzset{lemma/.append style={rectangle, rounded corners, on chain}}
\tikzset{every label/.append style={semicircle, font={\tiny},label distance=-.5pt,in
\begin{document}
% Serifs!
\begin{preview}
\begin{varwidth}{\linewidth}
\begin{tikzpicture}
\node (axis) [circle,inner sep=.3em,draw=gray,fill=gray!30] {};
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