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CHAPTER 14 Exporting and Importing XML Data
DataWindow Designer User’s Guide 391
If an element has no attributes, you can edit its tag in the Export/Import
Template view by selecting it and left-clicking the tag or pressing F2. Literal
text nodes can be edited in the same way. You can delete items (and their
children) by pressing the Delete key.
The examples in this section show the delimiters used in the XML document.
When you edit the template in dialog boxes opened from the Export/Import
Template view for XML, you do not need to type these delimiters in text boxes.
The rest of this section describes some of the items in the template. For more
information, see the
XML specification at http://www.w3.org/TR/REC-xml.
XML declaration
The XML declaration specifies the version of XML being used. You may need
to change this value for a future version of XML. It can also contain an
encoding declaration and a standalone document declaration. From the pop-up
menu, you can edit the declaration, and, if the document is well-formed, delete
it. If you have deleted the XML declaration, you can insert one from the Insert
Before item on the pop-up menu for the next item in the template.
Encoding declaration
The encoding declaration specifies the character-set encoding used in the
document, such as UTF-16 or ISO-10646-UCS-4.
If there is no encoding declaration, the value defaults to UTF-16LE encoding
in ASCII environments. In DBCS environments, the default is the default
system encoding on the computer where the XML document is generated. This
ensures that the document displays correctly as a plain text file. However, since
the DBCS data is serialized to Unicode, XML documents that use UTF-16LE,
UTF-16 Big Endian, or UTF-16 Little Endian can all be parsed or generated
correctly on DBCS systems.
Several other encodings are available, including ASCII, UCS4 Big Endian,
UCS4 Little Endian, EBCDIC code pages IBM037 and IBM1140, ISO Latin-1,
and Latin 1 Windows (code page 1252). You can select these values from a
drop-down list box in the XML Declaration dialog box.
Standalone document
declaration
The standalone document declaration specifies whether the document contains
no external markup that needs to be processed and can therefore stand alone
(Yes), or that there are, or might be, external markup declarations in the
document (No). The value in the default template is No, and if there is no
standalone document declaration, the value is assumed to be No.