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| author | Xavier Noria <fxn@hashref.com> | 2005-10-23 11:47:37 +0200 |
|---|---|---|
| committer | Dave Mitchell <davem@fdisolutions.com> | 2006-01-09 02:20:51 +0000 |
| commit | 09e04a353e352e671b21e072d112d97d0ff3b125 (patch) | |
| tree | dac808312c07b20041cfec4f6904e8938b74db0b /pod/perlvar.pod | |
| parent | 77ebfeacf485ddf164803294eee13949ad1cfe79 (diff) | |
| download | perl-09e04a353e352e671b21e072d112d97d0ff3b125.tar.gz | |
identifiers always in main (was: defining a _ function breaks File::Find)
Message-Id: <D3867DED-313E-4D39-A85F-1178FE7F7A5E@hashref.com>
clarify which variables are always forced into main::
p4raw-id: //depot/perl@26749
Diffstat (limited to 'pod/perlvar.pod')
| -rw-r--r-- | pod/perlvar.pod | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod index dbc82ec2e2..39e5c45721 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -1494,11 +1494,11 @@ control-character name that begins with C<^_> will acquire a special meaning in any future version of Perl; such names may therefore be used safely in programs. C<$^_> itself, however, I<is> reserved. -Perl identifiers that begin with digits, control characters, or -punctuation characters are exempt from the effects of the C<package> -declaration and are always forced to be in package C<main>; they are -also exempt from C<strict 'vars'> errors. A few other names are also -exempt in these ways: +Perl identifiers that consist of all digits, or begin with control +characters, or are a single punctuation character, are exempt from the +effects of the C<package> declaration and are always forced to be in +package C<main>; they are also exempt from C<strict 'vars'> errors. A +few other names are also exempt in these ways: ENV STDIN INC STDOUT |