+--  4 lines: \documentclass{article} ---------

\usepackage{latexsym}

\usepackage{txfonts}

\usepackage{pxfonts}

\begin{document}

Conceal support provided by syntax/tex.vim:

Math expression:

x=\frac{-β-\sqrt{β²-4αγ}}%

       {2α}%       

- Deleted lines: 1 ----------------------------

\begin{tabular}{c|c}%    

    alpha & α\\

    beta & β\\

    gamma & γ\\

    delta & δ\\

    epsilon & ϵ\\

    varepsilon & ε\\

+--371 lines: zeta & \(\zeta\)\\ --------------