U+0000 is not part of DIN SPEC 91379. -- Boris > Am 27.03.2022 um 19:47 schrieb Alvaro Herrera <alvherre@xxxxxxxxxxxxxx>: > > On 2022-Mar-27, Ralf Schuchardt wrote: > >> where did you read, that this DIN SPEC 91379 norm is incompatible with UTF-8? >> >> In the document „String.Latin+ 1.2: eine kommentierte und erweiterte >> Fassung der DIN SPEC 91379. Inklusive einer umfangreichen Liste häufig >> gestellter Fragen. Herausgegeben von der Fachgruppe String.Latin“ >> linked here https://www.xoev.de/downloads-2316#StringLatin it is said, >> that the spec is a strict subset of unicode (E.1.6), and it is also >> mentioned in E.1.4, that in UTF-8 all unicode characters can be >> encoded. Therefore UTF-8 can be used to encode all DIN SPEC 91379 >> characters. > > So the remaining question is whether DIN SPEC 91379 requires an > implementation to support character U+0000. If it does, then PostgreSQL > is not conformant, because that character is the only one in Unicode > that we don't support. If U+0000 is not required, then PostgreSQL is > okay. > > -- > Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/ > >
