They disambiguate the one use of the horrid indirect object syntax that you can't easily avoid in Perl 5. (I know about IO::Handle, but it's even further away from the principle of least surprise.)
In reply to Re^3: File open problem with "GLOB"
by chromatic
in thread File open problem with "GLOB"
by mcoblentz
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |