From: matz@... (Yukihiro Matsumoto) Date: 2001-09-21T06:38:07+09:00 Subject: [ruby-talk:21468] Re: what is a Ruby implementation? Hi, In message "[ruby-talk:21446] what is a Ruby implementation?" on 01/09/21, David Alan Black writes: |What exactly qualifies as an implementation of Ruby? I assume that it must be a |drop-in replacement for some existing, specific version of Ruby. If not, it |seems to me to be more a Ruby-like language than a Ruby interpreter. | |I guess I'm re-raising the question of some kind of formal language |description. Or is version-identification and conformity sufficient? I call a interpreter/compiler Ruby if its author intends to follow mine, the Ruby. matz.