They provided some comments on the DTD of 9573-11 2nd ed.
In finalizing the 9573-11 2nd ed., Ms. Goodwin indicated some problems on the rendered image by the style specifications defined in the 9573-11.
--> corrected
-->
simplification
some elements are not actually employed by project editors, e.g., GTEXT
--> simplified DTD(or schema) and some hinting to the conversion to existing full DTD
--> Requirement for Amd.1 to 9573-11 2nd ed. including the simplified DTD and corresponding style specification