Copyright 2014, 2015, 2016, 2017, 2018, 2019 Kevin Ryde

This file is part of Math-OEIS.

Math-OEIS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

Math-OEIS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along
with Math-OEIS.  If not, see <http://www.gnu.org/licenses/>.



Version 13, September 2019
    - Name,Stripped avoid some warnings on big A-number not found

Version 12, August 2019
    - Name,Stripped tighter match so return nothing if given a bogus
      A-number string

Version 11, May 2019
    - Stripped don't force Math::BigInt back-end
    - Names,Stripped document line_split(), and Stripped values_split()
    - Grep=-search output coding quiet fallback

Version 10, June 2017
    - Grep new values_min, values_max, exclude_list
    - Grep fix for negate check when 0 values

Version 9, July 2016
    - Grep loosen the mandatory match down to 10 values or 40 chars

Version 8, April 2016
    - Grep=-search output coding with Encode::Locale when available

Version 7, November 2015
    - Stripped fix for sequences starting with a negative

Version 6, August 2015
    - Names,Stripped propagate taint of file input

Version 5, August 2014
    - Grep fix print when match reaches end of stripped line

Version 4, July 2014
    - Grep better message on no stripped file,
      stringize bigints as a workaround for Math::BigInt::GMP bug,
      per Dana Jacobsen RT#97218 and RT#97221

Version 3, July 2014
    - Grep fix for "name" parameter usage,
      better handling of bignums in halving/doubling attempts

Version 2, June 2014
    - fix for Stripped anum_to_values()

Version 1, June 2014
    - the first version