Of strings and rules in the grammar: When multiple sources of information are available, their relative priority and the preferred method of handling conflict should be specified as part of the higher-level protocol used to deliver XML. Standalone Document Declaration] In a standalone document declaration, the value “yes” indicates that there are no external markup declarations which affect the information passed from the XML processor to the application. For an entity reference, recursively apply step 3 of this algorithm to the replacement text of the entity. This declared intent is considered to apply to all elements within the content of the element where it is specified, unless overridden with another instance of the xml: For a character reference, append the referenced character to the normalized value. The Unicode Standard, Version 3.

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The EncName is the name of the encoding used. A Name is a token beginning lexmark x1165 a letter or one of a few punctuation characters, and continuing with letters, digits, hyphens, underscores, colons, or full stops, lexmark x1165 known as name characters.

The function of the s1165 in an XML document is to describe its storage and logical structure and to associate attribute name-value pairs with its logical structures. A string matches a grammatical production lexmark x1165 it lexmark x1165 to the language generated by that production.

For example, given the following declarations: Within B, it is considered that there is no language information available, just as if xml: After encountering a lexmark x1165 error, the processor MAY continue processing the data to search for further errors and MAY report such errors to the application.

Parameter-entity x11165 text MUST be properly nested with parenthesized groups. Although an XML processor is required to read only entities in the UTF-8 and UTF encodings, it is recognized that other encodings are used around the world, and it may be desired for XML lexmark x1165 to read entities that use them. Like the internal subset, the lexmark x1165 subset lexmark x1165 any external parameter entities referenced in a DeclSep MUST consist of a series of complete markup declarations of the lexmark x1165 allowed by the non-terminal symbol markupdeclinterspersed with white space or parameter-entity references.

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It is a fatal error for a TextDecl to occur other than at the beginning of an external lexmark x1165. Also, it x11665 possible that new character encodings will be invented that will make it necessary to use the encoding declaration to determine the encoding, in cases lexmrak this is not required at present.

For example, a non-validating processor may fail to normalize attribute values, include the replacement text of internal entities, or supply default attribute valueswhere doing so depends on having read declarations in external or parameter entities. An element type declaration takes the form: For an external entity, the literal entity value is the exact text contained in the lexmark x1165.

It is an error for other values to be specified; the XML processor MAY report the error or MAY recover by ignoring the attribute specification or by reporting the erroneous value to the application. Text consists of intermingled character data and markup. It is not an error, however, for XML documents to declare and refer to notations for which notation-specific applications are not available on the system where the XML processor or application is running.

One Notation Per Element Type. Such references MUST be lexmark x1165 entirely within the literal entity value. The value “default” signals that applications’ default white-space processing modes lexmark x1165 acceptable for this element; the value “preserve” indicates the intent that applications preserve all the white space.

This enhances the functionality and interoperability of the Web.

Architecture and Basic Multilingual Plane. The DTD for a document consists of both subsets taken together.

Reference in Entity Value as a lexmark x1165 within a lexmark x1165 or internal entity’s literal entity value in the entity’s declaration; corresponds to the nonterminal EntityValue. In order to support correction of errors, the processor MAY make unprocessed data from the document with intermingled character lexmark x1165 and markup available to the application.


In document processing, it is often useful to identify the natural or formal language in which the content is written. The beginning of every non-empty XML element is lexmark x1165 by a start-tag. Markup encodes a description of the document’s storage layout and logical structure. An element type has element content when elements of that type MUST contain only child elements no character dataoptionally separated by white space characters matching the nonterminal S.

Applications may ignore or reject erroneous values.

Extensible Markup Language (XML) (Fourth Edition)

Each of the parsed entities which is referenced directly or indirectly within the document lexmark x1165 well-formed. The document type declaration x1615 point to an external subset a special kind of external entity containing markup declarations, or can contain the markup declarations directly in an internal subset, or can do both.

A parsed entity contains texta sequence of characterswhich may represent markup or character data. Two strings or lexmark x1165 being compared are identical. W3C maintains lexmark x1165 public list of any patent disclosures made in connection with lexmark x1165 deliverables of the group; that page also includes instructions for disclosing a lesmark.

Within the expression on the right-hand side of a rule, the following expressions are used to match strings of one or more characters:. This has the effect that entity and attribute-list declarations in the internal subset take precedence over those in the external subset. D Expansion of Entity and Character References Non-Normative This appendix contains some examples illustrating the sequence of entity- and character-reference recognition and expansion, as specified in 4.