Process A program translating OOB SGML to an SGML follows the following procedure. First it checks the CRCs, if present, to assure that the OOB encoding and the plain text are as they have arrived correctly. If a CRC is wrong, the program should elect to translate the document to HTML as a plain text document, through the use of PRE or XMP style tags. Otherwise the block is to be output as plain text. While the cursor moves over the document, the text from the plain text document is inserted literally into the SGML document.
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Other opcodes allow general tagging. Whitespace in OOB SGML tagging is to generally be ignored. It is preferred that all formatting be in one header, but for systems with a limit on the length of a field, it may be needed to break the formatting up into more than one field. If it is equal to or above, it should handle the OOB SGML but ignore unknown opcodes. This is optional but recommended.