From [RDF 1.1 Errata](https://www.w3.org/2001/sw/wiki/RDF1.1_Errata): * [x] [18 – Editorial bug in XML Syntax status](https://www.w3.org/2001/sw/wiki/RDF1.1_Errata#erratum_18) * [x] [20 – Typo in XML Syntax](https://www.w3.org/2001/sw/wiki/RDF1.1_Errata#erratum_20) * [x] [29 – Terminology about IRIs](https://www.w3.org/2001/sw/wiki/RDF1.1_Errata#erratum_29)
