- upstream release 3.3.3
- Most important changes
  CHANGES IN R 3.3.3:
  NEW FEATURES:
    * Changes when redirection of a http:// URL to a https:// URL is
      encountered:
        * The internal methods of download.file() and url() now report
          that they cannot follow this (rather than failing silently).
        * (Unix-alike) download.file(method = "auto") (the default)
          re-tries with method = "libcurl".
        * (Unix-alike) url(method = "default") with an explicit open
          argument re-tries with method = "libcurl".  This covers many
          of the usages, e.g. readLines() with a URL argument.
  INSTALLATION on a UNIX-ALIKE:
    * The configure check for the zlib version is now robust to
      versions longer than 5 characters, including 1.2.11.
  UTILITIES:
    * Environmental variable _R_CHECK_TESTS_NLINES_ controls how R CMD
      check reports failing tests (see SS8 of the 'R Internals' manual).
  DEPRECATED AND DEFUNCT:
    * (C-level Native routine registration.)  The undocumented styles
      field of the components of R_CMethodDef and R_FortranMethodDef is
      deprecated.
  BUG FIXES:
    * vapply(x, *) now works with long vectors x.  (PR#17174)
    * isS3method("is.na.data.frame") and similar are correct now.
      (PR#17171)
    * grepRaw(<long>, <short>, fixed = TRUE) now works, thanks to a
      patch by Mikko Korpela.  (PR#17132)
    * Package installation into a library where the package exists

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