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% File src/library/grid/man/stringWidth.Rd
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% Part of the R package, https://www.R-project.org
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% Copyright 1995-2011 R Core Team
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% Distributed under GPL 2 or later
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\name{stringWidth}
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\alias{stringWidth}
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\alias{stringHeight}
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\alias{stringAscent}
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\alias{stringDescent}
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\title{Create a Unit Describing the Width and Height of a String or Math
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  Expression}
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\description{
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  These functions create a unit object describing the width or height of
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  a string.
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}
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\usage{
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stringWidth(string)
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stringHeight(string)
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stringAscent(string)
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stringDescent(string)
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}
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\arguments{
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  \item{string}{A character vector or a language object (as used for
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    \sQuote{\link{plotmath}} calls).}
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}
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\value{
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  A \code{\link{unit}} object.
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}
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\author{Paul Murrell}
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\seealso{
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  \code{\link{unit}} and
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  \code{\link{grobWidth}}
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  \code{strwidth} in the \pkg{graphics} package for more details of the
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  typographic concepts behind the computations.
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}
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\keyword{dplot}