Created by Torbjørn T. 2016-08-02

File snippet.txt Added

+\documentclass{article}

+\usepackage{pagecolor}%

+\usepackage{tikz}%

+\begin{document}

+\pagecolor{red!30}

+\begin{tikzpicture}

+\tikzset{mwe/.style={inner sep=1.15ex, text depth=0ex, text height=1ex, text width=0.5em, minimum size=0.5em}}%

+\node (A) [mwe] at (0,0) {A};%

+\node (B) [mwe] at (4,0) {B};%

+\node (C) [mwe] at (0,4) {C};%

+\node (D) [mwe] at (2,-4) {D};%

+\path (A) -- node[text height=1.25ex] (AB) {ab} (B);

+\path (C) -- node[text height=1.25ex] (CD) {c} (D);

+\draw[line width=0.25mm,-]  (A) -- (CD) -- (AB) --  (B);%

+\draw[line width=0.25mm,-]  (C) -- (CD) -- (D);%

+\end{tikzpicture}

+\end{document}

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