RELAX NG by Eric van der Vlist will be published by O'Reilly & Associates (ISBN: 0596004214)

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Name

xsd:nonPositiveInteger — Integers of arbitrary length negative or equal to zero.

Derived from:

xsd:integer

Primary:

xsd:decimal

Known subtypes:

xsd:negativeInteger

Data parameters (facets):

enumeration, fractionDigits, maxExclusive, maxInclusive, minExclusive, minInclusive, pattern, totalDigits.

Synopsis

<xsd:simpleType name="nonPositiveInteger" id="nonPositiveInteger">
  <xsd:restriction base="xsd:integer">
    <xsd:maxInclusive value="0"/>
  </xsd:restriction>
</xsd:simpleType>

Description

The value space of xsd:nonPositiveInteger includes the set of all the integers less than or equal to zero, with no restriction of range. Its lexical space allows any number of insignificant leading zeros.

Restrictions

The decimal point (even when followed only by insignificant zeros) is forbidden.

Example

Valid values include "-123456789012345678901234567890", "0", "-0000000000000000000005", or "-2147483647".

Invalid values include "-1." or "1.".


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All text is copyright Eric van der Vlist, Dyomedea. During development, I give permission for non-commercial copying for educational and review purposes. After publication, all text will be released under the Free Software Foundation GFDL.