vcs: Introduce commit with -u and -m parameters commit is now introduced with -u and -m parameters. This fixes a couple of problems -- 1) hg sometimes doesn't allow commits without username 2) vi(m) is the default editor -- most people can't use it (yet).

\documentclass{article}
\begin{document}
This is my first LaTeX document. 
\begin{equation}
  a^2 + b^2 = c^2 
\end{equation}
\[
\begin{pmatrix}
\alpha& \beta^{*}\\
\gamma^{*}& \delta
\end{pmatrix}
\]
\end{document}