There are probably more unmatched parentheses around:
detect <- function(file) {
text <- paste(readLines(file), collapse = "")
nchar(gsub("[^(]", "", text)) != nchar(gsub("[^)]", "", text))
}
docs <- list.files("r-source-trunk/src/library",
pattern = "\\.Rd$",
full.names = TRUE,
recursive = TRUE)
suspicious <- docs[sapply(docs, detect)]
length(suspicious)
# [1] 114
2018-03-05 9:27 GMT+01:00 Martin Maechler <maech...@stat.math.ethz.ch>:
>
> >>>>> Hugh Parsonage <hugh.parson...@gmail.com>
> >>>>> on Mon, 5 Mar 2018 13:39:24 +1100 writes:
>
> > Lines 129-131: \code{grep(value = FALSE)} returns a vector
> > of the indices of the elements of \code{x} that yielded a
> > match (or not, for \code{invert = TRUE}. This will be an
> > integer vector unless the input
>
> > There should be a closing parenthesis after \code{invert =
> > TRUE}
>
> Thank you, Hugh! I've added the ')' now.
> Martin
>
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