+ - clarify in docs that Sub::Quote's captured variables are copies, not aliases
- fix infinite recursion if an isa check fails due to another isa check
(RT#87575)
- fix Sub::Quote and Sub::Defer under threads (RT#87043)
C<$code> is a string that will be turned into code.
C<\%captures> is a hashref of variables that will be made available to the
-code. See the L</SYNOPSIS>'s C<Silly::dagron> for an example using captures.
+code. The keys should be the full name of the variable to be made available,
+including the sigil. The values should be references to the values. The
+variables will contain copies of the values. See the L</SYNOPSIS>'s
+C<Silly::dagron> for an example using captures.
=head3 options