Multiline strings project compiles in Delphi but fails in Freepascal (main today)

This code compiles in Delphi 12.3 but in FPC fails with an error message that is completely bogus: a character position that does not exist:

program Project2;
{$ifdef fpc}{$mode delphi}{$endif}{$H+}
begin
writeln(
'''
 ____  _       _            ____                     _
| __ )| | __ _(_)___  ___  |  _ \ __ _ ___  ___ __ _| |
|  _ \| |/ _` | / __|/ _ \ | |_) / _` / __|/ __/ _` | |
| |_) | | (_| | \__ \  __/ |  __/ (_| \__ \ (_| (_| | |
|____/|_|\__,_|_|___/\___| |_|   \__,_|___/\___\__,_|_|
'''
);
readln;
end.

Project2.pas(7,130) Fatal: Illegal character "'|'" ($7C)

I triple checked that the file does not contain possibly illegal characters in the bogus positions. It is not an editor or platform issue: same error on Linux and Windows, Lazarus and Geany and commandline compile. The mode seems not important, both mode delphi and delphiunicode tested.