=item *
-C<printf()> does not implement the "*" format for interpolating
-field widths, but it's trivial to use interpolation of double-quoted
-strings to achieve the same effect.
-
-=item *
-
Comments begin with "#", not "/*".
=item *
=item * Discontinuance
+In Perl 4, if in list context the delimiters to the first argument of
+C<split()> were C<??>, the result would be placed in C<@_> as well as
+being returned. Perl 5 has more respect for your subroutine arguments.
+
+=item * Discontinuance
+
Some bugs may have been inadvertently removed. :-)
=back
print "To: someone@somewhere.com\n";
# perl4 prints: To:someone@somewhere.com
- # perl5 errors : In string, @somewhere now must be written as \@somewhere
+ # perl < 5.6.1, error : In string, @somewhere now must be written as \@somewhere
+ # perl >= 5.6.1, warning : Possible unintended interpolation of @somewhere in string
=item * Interpolation