"E-DDC Version 1.3" from September 2017 contains corrections for errata and minor clarifications. This version was substantially re-edited and re-laid out, with errata and clarifications added. The current version of the base XBRL specification is 2.1, with errata corrections. All collected errata up to its release date were included in this revision. Various MD5-related RFC errata have been published. XBRL v2.1 has remained stable since publication, and has been updated only for errata corrections. They had a different S-Spec number which can be found in Intel errata documentation. It may serve to notify the reader of errors present, as errata. Refer to the associated errata files for the details of specific changes. It is not clear when the errata were corrected for the audiobook. Updated errata was released for most sets. The changes in the errata files are accumulated in each release. HTML 4.01 was published in late 1999, with further errata published through 2001. An errata document for DITA 1.3 was approved in October 2016. Note that the AIAG's website has a list of "errata sheets" for its publications.