EXHIBIT 23.3 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated May 6, 1999 relating to the financial statements and financial statement schedule, which appears in Interleaf, Inc.'s Annual Report on Form 10-K for the year ended March 31, 1999. /s/ PRICEWATERHOUSECOOPERS LLP Boston, Massachusetts November 2, 1999