documentation comment raise error in raku REPL

[Yihang Liu]

=begin comment
This is a multi line comment.
Comment 1
Comment 2
=end comment

causes:

===SORRY!=== Error while compiling:
Preceding context expects a term, but found infix = instead.
Did you make a mistake in Pod syntax?
at line 2
------> <BOL>⏏<EOL>