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Re: RE: The universality of "single starting point"
- From: Rand McRanderson <therandshow@gmail.com>
- To: David Lee <dlee@calldei.com>
- Date: Sun, 24 Nov 2013 09:10:38 -0500
Still there is a starting point - the document
On Nov 23, 2013 12:02 PM, "David Lee" < dlee@calldei.com> wrote:
XML doesnt always start with the root element.
http://www.w3.org/TR/REC-xml/
[1] document ::= prolog element Misc*
It starts with an *optional* prolog.
----------------------------------------
David A. Lee
dlee@calldei.com
http://www.xmlsh.org
-----Original Message-----
From: Costello, Roger L. [mailto:costello@mitre.org]
Sent: Saturday, November 23, 2013 11:51 AM
To: xml-dev@lists.xml.org
Subject: The universality of "single starting point"
Hi Folks,
1. Formal grammars require that a single symbol be the starting point for all productions. For example, the starting symbol is S in this grammar:
S -> a Q a
Q -> ...
2. Structured programming tells us that every function should have a single entry point.
3. XML has a single starting point - the root element
Wow! I see this concept of a single starting point everywhere I look. Above I have provided three occurrences. Would you provide other occurrences please?
/Roger
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