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I'd argue that Rails' use of DSLs and metaprogramming makes it materially different from straight ruby. It gets even more confusing with lisp where your libraries are, by definition, language extensions. Often with completely custom syntax.

It's kind of an irrelevant distinction anyways. People don't really pick "languages", per se. They usually pick "language + libraries", and the line between third-party libraries and standard libraries is getting increasingly blurred.

They do pick the initial "technology stack", a term which concisely encapsulates both the distinction and interconnection of the parts.

sure. just wanted to note the author's belief that rails is a language undermines his credibility.

ROR is absolutely a language. A language built on top of Ruby, of course, but a language.

No, not really but given the amount of meta programming DDH made to make ROR possible, I am not so sure.