Re: Schemas: Different Strokes From Different Folks

From: John Cowan <johnwcowan@gmail.com>
To: "Henry S. Thompson" <ht@markup.co.uk>
Date: Thu, 19 Jan 2017 13:38:04 -0500

Play the video

On Thu, Jan 19, 2017 at 12:28 PM, Henry S. Thompson <ht@markup.co.uk> wrote:

The proof that context-free _languages_ are closed under union (see
for example (first one Google offered me) [1]) involves a relabelling
step for non-terminal symbols, precisely to avoid this 'capture'
problem. A similar step would obviously be possible for RELAX NG.

Yes, I should have said "closed up to alpha conversion".

GMail doesn't have rotating .sigs, but you can see mine at http://www.ccil.org/~cowan/signatures

References:
- Schemas: Different Strokes From Different Folks
  - From: Patrick Durusau <patrick@durusau.net>
- Re: Schemas: Different Strokes From Different Folks
  - From: Ihe Onwuka <ihe.onwuka@gmail.com>
- Re: Schemas: Different Strokes From Different Folks
  - From: Patrick Durusau <patrick@durusau.net>
- Re: Schemas: Different Strokes From Different Folks
  - From: ht@markup.co.uk (Henry S. Thompson)
- Re: Re: Schemas: Different Strokes From Different Folks
  - From: John Cowan <johnwcowan@gmail.com>
- Re: Schemas: Different Strokes From Different Folks
  - From: ht@markup.co.uk (Henry S. Thompson)

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