\name{grobColWidth}
\alias{grobColWidth}
\title{Grob column widths}
\author{Hadley Wickham <h.wickham@gmail.com>}

\description{
Given a matrix of grobs, calculate the width needed for each column
}
\usage{grobColWidth(mat)}
\arguments{
\item{mat}{matrix of grobs}
}





