File: toLatex-tools.R

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r-cran-memisc 0.99.31.8.2%2Bdfsg-1
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LaTeXcape <- function(x){
    x <- gsub("$","\\$",x,fixed=TRUE)
    x <- gsub("_","\\_",x,fixed=TRUE)
    x <- gsub("^","\\^",x,fixed=TRUE)
}

checkLaTeXcape <- function(x,where){
    do.warn <- any(grepl("$",x,fixed=TRUE))
    do.warn <- do.warn || any(grepl("_",x,fixed=TRUE))
    do.warn <- do.warn || any(grepl("^",x,fixed=TRUE))
    if(do.warn)
        warning("Unescaped TeX special in ",where)
}