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author | Frank Wiegand <frank.wiegand@gmail.com> | 2009-06-25 10:21:46 +0200 |
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committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2009-06-25 22:48:54 +0200 |
commit | 05b4f1ece255de95efcc5a4c74e28b5d04f54401 (patch) | |
tree | e32fe9b310ccd8a31883aaa5c2adc0b6a49997ae /pod/perldata.pod | |
parent | e63be7465b2d564165a64209685cfd7026a2005b (diff) | |
download | perl-05b4f1ece255de95efcc5a4c74e28b5d04f54401.tar.gz |
document the maximum length of barewords
(amended by rgs to be in line with perldiag)
Diffstat (limited to 'pod/perldata.pod')
-rw-r--r-- | pod/perldata.pod | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/pod/perldata.pod b/pod/perldata.pod index b26360917a..8f0feb7fed 100644 --- a/pod/perldata.pod +++ b/pod/perldata.pod @@ -442,8 +442,11 @@ be treated as if it were a quoted string. These are known as "barewords". As with filehandles and labels, a bareword that consists entirely of lowercase letters risks conflict with future reserved words, and if you use the C<use warnings> pragma or the B<-w> switch, -Perl will warn you about any -such words. Some people may wish to outlaw barewords entirely. If you +Perl will warn you about any such words. Perl limits barewords (like +identifiers) to about 250 characters. Future versions of Perl are likely +to eliminate these arbitrary limitations. + +Some people may wish to outlaw barewords entirely. If you say use strict 'subs'; |