
WISHLIST

o d <- "X" 
  gsubfn(x = "\\$d$d$")
Error in parse(file, n, text, prompt) : syntax error in "c("\",replacement("$d",

o assign("mywarn", NULL, .GlobalEnv)
  fn$tryCatch( warning("a warning"), 
    warning = w ~ mywarn <<- conditionMessage(w))
  print(mywarn)
does not work.

