| DescriptionOptions may be any bitwise combination of following:SAB_NO_ERROR_REPORTING (0x1)suppresses the invocation of the
messages handler (if registered)
 SAB_PARSE_PUBLIC_ENTITIES (0x2)makes parser to resolve public
external entities
 SAB_DISABLE_ADDING_META (0x4)suppresses the generation of the
META tag (HTML output method)
 SAB_DISABLE_STRIPPING (0x8)suppresses the whitespace stripping
(on data files only)
 SAB_IGNORE_DOC_NOT_FOUND (0x10)doesn't consider unresolved
documents (the document() function) to be lethal
 SAB_FILES_TO_HANDLER (0x20)doesn't read 'file' URI internally,
but pass it into the scheme handler
 SAB_DUMP_SHEET_STRUCTURE (0x40)writes a stylesheet structure 
(hierarchy of includes and imports) into the log
 SAB_NO_EXTERNAL_ENTITIES (0x80)doesn't parse any external entities
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