diff options
| -rw-r--r-- | pod/perldiag.pod | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/pod/perldiag.pod b/pod/perldiag.pod index 002834c7af..bebf5e0e22 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -2511,17 +2511,17 @@ recognized by Perl or by a user-supplied handler. See L<attributes>. the C<:alias> option to C<use charnames> and the specified character in the indicated name isn't valid. See L<charnames/CUSTOM ALIASES>. -=item Invalid character in \N{...}; marked by <-- HERE in \N{%s} - -(F) Only certain characters are valid for character names. The -indicated one isn't. See L<charnames/CUSTOM ALIASES>. - =item Invalid \0 character in %s for %s: %s\0%s (W syscalls) Embedded \0 characters in pathnames or other system call arguments produce a warning as of 5.20. The parts after the \0 were formerly ignored by system calls. +=item Invalid character in \N{...}; marked by <-- HERE in \N{%s} + +(F) Only certain characters are valid for character names. The +indicated one isn't. See L<charnames/CUSTOM ALIASES>. + =item Invalid conversion in %s: "%s" (W printf) Perl does not understand the given format conversion. See @@ -4247,18 +4247,6 @@ Perl guesses a reasonable buffer size, but puts a sentinel byte at the end of the buffer just in case. This sentinel byte got clobbered, and Perl assumes that memory is now corrupted. See L<perlfunc/ioctl>. -=item Possible precedence problem on bitwise %c operator - -(W precedence) Your program uses a bitwise logical operator in conjunction -with a numeric comparison operator, like this : - - if ($x & $y == 0) { ... } - -This expression is actually equivalent to C<$x & ($y == 0)>, due to the -higher precedence of C<==>. This is probably not what you want. (If you -really meant to write this, disable the warning, or, better, put the -parentheses explicitly and write C<$x & ($y == 0)>). - =item Possible precedence issue with control flow operator (W syntax) There is a possible problem with the mixing of a control @@ -4281,6 +4269,18 @@ Note this may be also triggered for constructs like: sub { 1 if die; } +=item Possible precedence problem on bitwise %c operator + +(W precedence) Your program uses a bitwise logical operator in conjunction +with a numeric comparison operator, like this : + + if ($x & $y == 0) { ... } + +This expression is actually equivalent to C<$x & ($y == 0)>, due to the +higher precedence of C<==>. This is probably not what you want. (If you +really meant to write this, disable the warning, or, better, put the +parentheses explicitly and write C<$x & ($y == 0)>). + =item Possible unintended interpolation of $\ in regex (W ambiguous) You said something like C<m/$\/> in a regex. |