\documentclass[11pt,leqno]{article} \newcommand{\pathtotrunk}{./} \input{preamble} \input{text/article_preamble} \input{text/kw_macros} %\title{Blob Homology} \title{Sandbox} \begin{document} \newcommand{\vertex}{node[circle,fill=black,inner sep=1pt] {}} \end{document}