repeated info in sections 4.1.1, 4.1.2.3

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/13/sql-syntax-lexical.html
Description:

Simply want to tell you that there is repeated almost word-in-word info in
4.1.1 (starting with "A variant of quoted identifiers allows including",
ending with "If the server encoding is not UTF-8, the Unicode code point")
and in 4.1.2.3 (starting with "PostgreSQL also supports another type of
escape syntax", ending with "If the server encoding is not UTF-8, the
Unicode code point") sections of documentation of PostgreSQL 13 current
version.