chg p6 to raku

doc/Language/5to6-nutshell.pod6

@@ -4,6 +4,12 @@
 
 =SUBTITLE How do I do what I used to do? (Raku in a nutshell)
 
+Note: Some references to
+Perl 6 still apply in the Raku infrastructure, but the changeover
+from the name Perl 6 to Raku is ongoing and the references will be
+changed as soon as they become operative in the latest release of Raku
+(and some volunteer changes them!).
+
 This page attempts to provide a fast-path to the changes in syntax and
 semantics from Perl 5 to Raku. Whatever worked in Perl 5 and must be
 written differently in Raku, should be listed here (whereas many
@@ -97,7 +103,7 @@ $object->$methodname(@args);  # Perl 5
 $object."$methodname"(@args); # Raku
 
 If you leave out the quotes, then Raku expects C<$methodname> to contain
-a C<Method> object, rather than the simple string name of the method.  Yes,
+a C<Method> object rather than the simple string name of the method.  Yes,
 B<everything> in Raku can be considered an object.
 
 =head2 Whitespace
@@ -1386,9 +1392,9 @@ Switch parsing is now done by the parameter list of the C<MAIN> subroutine.
     }
 
 =for code :lang<shell>
-perl6 example.p6 --xyz=5
+raku example.p6 --xyz=5
 5
-perl6 example.p6 -xyz=5
+raku example.p6 -xyz=5
 5
 
 =item C<-t>
@@ -1512,7 +1518,7 @@ In Raku this is similar, one merely needs to change a number!  As you
 probably guessed, you just need to use X<C<PERL6LIB>|PERL6LIB>:
 
 =for code :lang<shell>
-$ PERL6LIB="/some/module/lib" perl6 program.p6
+$ PERL6LIB="/some/module/lib" raku program.p6
 
 In Perl 5 one uses the ':' (colon) as a directory separator for C<PERL5LIB>, but
 in Raku one uses the ',' (comma).  For example:
@@ -1809,15 +1815,15 @@ perl example.pl --length=abc
 =end code
 
 =begin code :lang<shell>
-perl6 example.p6
+raku example.p6
     24
     file.dat
     Verbosity off
-perl6 example.p6 --file=foo --length=42 --verbose
+raku example.p6 --file=foo --length=42 --verbose
     42
     foo
     Verbosity on
-perl6 example.p6 --length=abc
+raku example.p6 --length=abc
     Usage:
       c.p6 [--length=<Int>] [--file=<Any>] [--verbose]
 =end code