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Diffstat (limited to 'pod/perlref.pod')
| -rw-r--r-- | pod/perlref.pod | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pod/perlref.pod b/pod/perlref.pod index a62276b782..e8e9ab78fa 100644 --- a/pod/perlref.pod +++ b/pod/perlref.pod @@ -243,7 +243,9 @@ All of these are self-explanatory except for C<*foo{IO}>. It returns the IO handle, used for file handles (L<perlfunc/open>), sockets (L<perlfunc/socket> and L<perlfunc/socketpair>), and directory handles (L<perlfunc/opendir>). For compatibility with previous -versions of Perl, C<*foo{FILEHANDLE}> is a synonym for C<*foo{IO}>. +versions of Perl, C<*foo{FILEHANDLE}> is a synonym for C<*foo{IO}>, though it +is deprecated as of 5.8.0. If deprecation warnings are in effect, it will warn +of its use. C<*foo{THING}> returns undef if that particular THING hasn't been used yet, except in the case of scalars. C<*foo{SCALAR}> returns a reference to an |