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When loading documents, Oxygen XML Author reads the document prolog to determine the specified encoding type. This encoding is then used to instruct the Java Encoder to load support for and to save the document using the specified code chart. When the encoding type cannot be determined, Oxygen XML Author displays the Available Java Encodings dialog box that provides a list of all encodings supported by the Java platform.

Opening Documents with Unsupported Characters

When opening a document in Oxygen XML Author, if it contains characters that are not supported by the specified encoding standard (these unrecognized characters are rendered as an empty box ), the application determines how to handle them based upon the setting specified in the Encoding Errors Handling option in the Encoding preferences page. The default setting is REPORT, which means an error message is displayed for characters that cannot be represented in the specified encoding. If the option is set to REPLACE, the character is replaced with a standard replacement character for the particular encoding. If the option is set to IGNORE, the error is ignored and the character is not rendered.

Saving Documents with Unsupported Characters

When saving a document edited in the Text, Grid, or Design modes, if it contains characters that are not supported by the encoding declared in the document prolog, Oxygen XML Author displays a notification that you need to resolve the conflict before saving the document.

When saving a document edited in the Author mode, all characters that fall outside the detected encoding will be automatically converted to hexadecimal character entities.

When saving a document with UTF-16 encoding, the saved document has a Byte Order Mark (BOM) that specifies the byte order of the document content. The default byte order is platform-dependent. That means that a UTF-16 document created on a Windows platform (where the default byte order mark is UnicodeLittle) has a different BOM than one created on a Mac OS platform (where the byte order mark is UnicodeBig). The byte order and the BOM of an existing document are preserved when the document is edited and saved. This behavior can be changed in Oxygen XML Author from the Encoding preferences page.