The XML module supports the following formats of :
OASIS XML Catalog 1.0. Catalogs in this format contain a <catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
root element. This format is the new industry standard and deprecates all
other formats. Here is a simple of an OASIS XML Catalog 1.0 catalog. You can view the spec for this
format at:
XCatalog 0.2. Catalogs in this format contain an <XCatalog>
root element. No specs except a DTD exist for this format. Here is a simple
of an XCatalog 0.2 catalog.
XMLCatalog 0.4. Catalogs in this format contain an <XMLCatalog>
root element. No specs except a DTD exist for this format. Here is a simple
of an XMLCatalog 0.4 catalog.
OASIS TR9401 (also known as SOCAT). Catalogs in this format are plain
text files beginning with this line:
PUBLIC "-//OASIS//DTD XML DocBook V4.1.2//EN" "docbookx.dtd"
You can view the specification for this format at: