\documentclass[11pt]{article} \usepackage[T1]{fontenc} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} \begin{tikzpicture} \matrix (matrix) [ matrix of nodes, nodes in empty cells, nodes={anchor=center,minimum size=2em}, row sep=0em ]{ a & |[draw]| \\ b & |[draw]| \\ c & |[draw]| \\ d & |[draw]| \\ }; \end{tikzpicture} \end{document}
Using PCTeX, I get the following error:
! Undefined control sequence. l.875 \pgfsetsnakesegmenttransformation {\pgf@snake@mirror\pgf@snake@raise}
And the file named "tikz.code" opens in editor. Why is this happening?