ruby

* re.c (unescape_nonascii): scan hex up to only 3 characters.

* enc/unicode.c: Handle DOTLESS_i by hand because it isn't involved in folding.

* regparse.c (fetch_token_in_cc): raise error if given octal escaped

openssl: drop OpenSSL 0.9.6/0.9.7 support

openssl: remove unnecessary 'extern "C"' blocks from local headers