Merge pull request #1484 from nxadm/master

Specify the version that introduced slurp

Author: nxadm

doc/Type/Proc.pod6

@@ -43,8 +43,7 @@ my $captured-output = $p.out.slurp: :close;
 my $captured-error  = $p.err.slurp: :close;
 my $exit-code       = $p.exitcode;
 
-B<Note:> older versions of L<Rakudo|/language/glossary#Rakudo> do not have
-C<.slurp> available on L<IO::Pipe> objects; use
+B<Note:> Versions of L<Rakudo|/language/glossary#Rakudo> older than 2017.04 do not have C<.slurp> available on L<IO::Pipe> objects; use
 L«C<.slurp-rest>|/routine/slurp-rest» instead.
 
 Use L<Proc::Async|/type/Proc::Async> for non-blocking operations.