Errata was incorporated into the text, correcting previous edition errors and providing rules clarifications. Most of the revisions are either clarifications or minor alterations of character motivations or names. Several more revisions and clarifications were added in the 1970s and 1980s. Ayyadurai's claims drew editorial clarifications and corrections, as well as criticism from industry observers. It introduces no new language features, only technical corrections, and clarifications to defects in C11. An update including clarifications and error corrections was issued in September 2015. Adequate importance can be given for discussion, questions and clarifications. "E-DDC Version 1.3" from September 2017 contains corrections for errata and minor clarifications. In response, Fu posted a series of corrections and clarifications. This council was responsible for several practical changes and doctrinal clarifications. However the Stevens enquiry later issued two clarifications. However, there have been significant clarifications in terminology throughout. Subsequent orders provided clarifications, standards and protocols. The ETSI process had several phases, but the only changes were text clarifications. Serbia published no clarifications of their confessions with regards to the Sarajevo attack.