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Diffstat (limited to 'pod/perldiag.pod')
| -rw-r--r-- | pod/perldiag.pod | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod index 7408d2fc1e..06434a2a58 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -4065,6 +4065,16 @@ where the problem was discovered. See L<perlre>. its equivalent C<BEGIN> block found an internal inconsistency with the version number. +=item v-string in use/require is non-portable + +(W) The use of v-strings is non-portable to older, pre-5.6, Perls. +If you want your scripts to be backward portable, use the floating +point version number: for example, instead of C<use 5.6.1> say +C<use 5.006_001>. This of course won't help: the older Perls +won't suddenly start understanding newer features, but at least +they will show a sensible error message indicating the required +minimum version. + =item Warning: something's wrong (W) You passed warn() an empty string (the equivalent of C<warn "">) or |