tidewater: support language-tagged strings
These use the sigil U+FFFE which, like U+FFFF, is a character valid in Postgres databases but invalid in XML.
See #971 (closed); will need a separate MR to update documentation.
These use the sigil U+FFFE which, like U+FFFF, is a character valid in Postgres databases but invalid in XML.
See #971 (closed); will need a separate MR to update documentation.