diff options
| author | Father Chrysostomos <sprout@cpan.org> | 2012-09-15 21:56:25 -0700 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2012-09-15 22:45:10 -0700 |
| commit | 6f87cb125dd0271ae560192c05c67ba062a4f16b (patch) | |
| tree | 13805908b1b10f4bfe6163e458d571132bb2ebb5 /pod | |
| parent | ad0cc46c82c89c5da407ee3163b95c03d5a31426 (diff) | |
| download | perl-6f87cb125dd0271ae560192c05c67ba062a4f16b.tar.gz | |
Add experimental warnings categ and :lexical_subs warn ID
I reindented the tree in perllexwarn because I was simply copying and
pasting the output from:
perl regen/warnings.pl tree
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perllexwarn.pod | 216 |
1 files changed, 115 insertions, 101 deletions
diff --git a/pod/perllexwarn.pod b/pod/perllexwarn.pod index e63135915b..3b6b827a36 100644 --- a/pod/perllexwarn.pod +++ b/pod/perllexwarn.pod @@ -212,107 +212,109 @@ to be enabled/disabled in isolation. The current hierarchy is: - all -+ - | - +- closure - | - +- deprecated - | - +- exiting - | - +- glob - | - +- io -----------+ - | | - | +- closed - | | - | +- exec - | | - | +- layer - | | - | +- newline - | | - | +- pipe - | | - | +- unopened - | - +- imprecision - | - +- misc - | - +- numeric - | - +- once - | - +- overflow - | - +- pack - | - +- portable - | - +- recursion - | - +- redefine - | - +- regexp - | - +- severe -------+ - | | - | +- debugging - | | - | +- inplace - | | - | +- internal - | | - | +- malloc - | - +- signal - | - +- substr - | - +- syntax -------+ - | | - | +- ambiguous - | | - | +- bareword - | | - | +- digit - | | - | +- illegalproto - | | - | +- parenthesis - | | - | +- precedence - | | - | +- printf - | | - | +- prototype - | | - | +- qw - | | - | +- reserved - | | - | +- semicolon - | - +- taint - | - +- threads - | - +- uninitialized - | - +- unpack - | - +- untie - | - +- utf8----------+ - | | - | +- surrogate - | | - | +- non_unicode - | | - | +- nonchar - | - +- void + all -+ + | + +- closure + | + +- deprecated + | + +- exiting + | + +- experimental + | + +- glob + | + +- imprecision + | + +- io ------------+ + | | + | +- closed + | | + | +- exec + | | + | +- layer + | | + | +- newline + | | + | +- pipe + | | + | +- unopened + | + +- misc + | + +- numeric + | + +- once + | + +- overflow + | + +- pack + | + +- portable + | + +- recursion + | + +- redefine + | + +- regexp + | + +- severe --------+ + | | + | +- debugging + | | + | +- inplace + | | + | +- internal + | | + | +- malloc + | + +- signal + | + +- substr + | + +- syntax --------+ + | | + | +- ambiguous + | | + | +- bareword + | | + | +- digit + | | + | +- illegalproto + | | + | +- parenthesis + | | + | +- precedence + | | + | +- printf + | | + | +- prototype + | | + | +- qw + | | + | +- reserved + | | + | +- semicolon + | + +- taint + | + +- threads + | + +- uninitialized + | + +- unpack + | + +- untie + | + +- utf8 ----------+ + | | + | +- non_unicode + | | + | +- nonchar + | | + | +- surrogate + | + +- void Just like the "strict" pragma any of these categories can be combined @@ -335,6 +337,18 @@ Note: In Perl 5.6.1, the lexical warnings category "deprecated" was a sub-category of the "syntax" category. It is now a top-level category in its own right. +=head2 Individual Warning IDs + +The "experimental" warnings category, added in Perl 5.18, +contains IDs for individual warnings, so that each warning can +be turned on or off. Currently there is only one such warning, +labelled "experimental:lexical_subs". You enable and disable +it like this: + + use warnings "experimental:lexical_subs"; + no warnings "experimental:lexical_subs"; + +The plan is to extend this convention to all warnings in a future release. =head2 Fatal Warnings X<warning, fatal> |