Appeal No. 1998-0893 Application No. 08/196,440 The book by Alan Simpson, Mastering WordPerfect® 5.1 and 5.2 for Windows (Sybex 1993) (hereinafter WordPerfect),TM pp. 30, 31, 74, 305, and 306, has a date of publication of February 12, 1993, which is five days before6 Appellants' foreign priority date. WordPerfect explains that all the formatting features in a document, including page breaks, are controlled by hidden codes in the document (p. 74). The page break control codes (hard page or soft page) are considered a "first control code," as claimed. It was notoriously well known in the computer art that the end of a file is marked by a special end of file (EOF) control code following the last character of the file, which is considered a "second control code at the end of the last page of the 6The following copyright information was found on the Copyright Office website ("http://www.copyright.gov") where IMPR is the imprint information, DCRE is the date of creation, DPUB is the date of publication, and DREG is the date of registration: TITL: Mastering WordPerfect 5.1 & 5.2 for Windows / Alan Simpson. IMPR: San Francisco : Sybex, c1993. PHYS: 1198 p. CLNA: Sybex, Inc. DCRE: 1993 DPUB: 12Feb93 DREG: 29Apr93 PREV: Prev. reg. 1991, TX 3-193-471. LINM: NM: "updated & rev. material." ECIF: 1/B/L//A 11Page: Previous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NextLast modified: November 3, 2007