The phrase about ".. Fully compatible" is not possible within the current specification since it in some portions don’t give a specific description or definition os required parts of the specification " e.g Part 4 page 1378 line 12-17) which state that the implementer should do there best effort to imitate a behaviour, which could have several outcomes. This indicates that there is no unambiguous way to archive the goal of "Fully compatible"

Replace "Fully compatible" with high fidelity.

Page xii
line 7 Part 1
Introduction

Ed

Proposed Disposition of DIS 29500 Comment DK-0096 (Modified: 2008-01-04) Agreed; we have provided all needed information in responses to other comments. For example, the autoSpaceLikeWord95 setting has been fully documented in the response to CL-0002, CL-0102, CO-0103, CZ-0014, DK-0010, FR-0061, GB-0228, GH-0003, GR-0038, IN-0035, IR-0025, JP-0052, KR-0013, PH-0007, PT-0052 and US-0066. Other settings are documented in the proposed dispositions of many other comments. Similar Comments: DE-0012 , GB-0126 , IN-0056 , VE-0012