Update Module::Load::Conditional to 0.20

[p5sagit/p5-mst-13.2.git] / pod / perldiag.pod

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index a58a316..1d2650f 100644 (file)
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -282,6 +282,13 @@ invalid anytime, even before the end of the current statement.  Use
 literals or global values as arguments to the "p" pack() template to
 avoid this warning.
 
+=item Attempt to reload %s aborted.
+
+(F) You tried to load a file with C<use> or C<require> that failed to
+compile once already.  Perl will not try to compile this file again
+unless you delete its entry from %INC.  See L<perlfunc/require> and
+L<perlvar/%INC>.
+
 =item Attempt to set length of freed array
 
 (W) You tried to set the length of an array which has been freed.  You
@@ -606,13 +613,13 @@ quotas or other plumbing problems.
 =item Can't declare class for non-scalar %s in "%s"
 
 (F) Currently, only scalar variables can be declared with a specific
-class qualifier in a "my" or "our" declaration.  The semantics may be
+class qualifier in a "my", "our" or "state" declaration.  The semantics may be
 extended for other types of variables in future.
 
 =item Can't declare %s in "%s"
 
-(F) Only scalar, array, and hash variables may be declared as "my" or
-"our" variables.  They must have ordinary identifiers as names.
+(F) Only scalar, array, and hash variables may be declared as "my", "our" or
+"state" variables.  They must have ordinary identifiers as names.
 
 =item Can't do inplace edit: %s is not a regular file
 
@@ -848,7 +855,7 @@ extensions.
 =item Can't localize lexical variable %s
 
 (F) You used local on a variable name that was previously declared as a
-lexical variable using "my".  This is not allowed.  If you want to
+lexical variable using "my" or "state".  This is not allowed.  If you want to
 localize a package variable of the same name, qualify it with the
 package name.
 
@@ -1133,7 +1140,7 @@ allowed.  See L<perlfunc/pack>.
 (F) Only a simple scalar variable may be used as a loop variable on a
 foreach.
 
-=item Can't use global %s in "my"
+=item Can't use global %s in "%s"
 
 (F) You tried to declare a magical variable as a lexical variable.  This
 is not allowed, because the magic can be tied to only one location
@@ -1805,7 +1812,7 @@ L<perlfunc/getsockopt>.
 =item Global symbol "%s" requires explicit package name
 
 (F) You've said "use strict" or "use strict vars", which indicates 
-that all variables must either be lexically scoped (using "my"), 
+that all variables must either be lexically scoped (using "my" or "state"), 
 declared beforehand using "our", or explicitly qualified to say 
 which package the global variable is in (using "::").
 
@@ -1999,6 +2006,13 @@ either consume text or fail.
 The <-- HERE shows in the regular expression about where the problem was
 discovered.
 
+=item Initialization of state variables in list context currently forbidden
+
+(F) Currently the implementation of "state" only permits the initialization
+of scalar variables in scalar context. Re-write C<state ($a) = 42> as
+C<state $a = 42> to change from list to scalar context. Constructions such
+as C<state (@a) = foo()> will be supported in a future perl release.
+
 =item Insecure dependency in %s
 
 (F) You tried to do something that the tainting mechanism didn't like.
@@ -2493,7 +2507,7 @@ See L<perlfunc/pack>.
 (F) Lexically scoped subroutines are not yet implemented.  Don't try
 that yet.
 
-=item "my" variable %s can't be in a package
+=item "%s" variable %s can't be in a package
 
 (F) Lexically scoped variables aren't in a package, so it doesn't make
 sense to try to declare one with a package qualifier on the front.  Use
@@ -2680,7 +2694,7 @@ package has restricted the set of allowed keys using the L<fields> pragma.
 
 =item No such class %s
 
-(F) You provided a class qualifier in a "my" or "our" declaration, but
+(F) You provided a class qualifier in a "my", "our" or "state" declaration, but
 this class doesn't exist at this point in your program.
 
 =item No such pipe open
@@ -3206,7 +3220,7 @@ when you meant
 
     my ($foo, $bar) = @_;
 
-Remember that "my", "our", and "local" bind tighter than comma.
+Remember that "my", "our", "local" and "state" bind tighter than comma.
 
 =item C<-p> destination: %s
 
@@ -4869,7 +4883,7 @@ known at compile time.  See L<perlre>.
 
 =item "%s" variable %s masks earlier declaration in same %s
 
-(W misc) A "my" or "our" variable has been redeclared in the current
+(W misc) A "my", "our" or "state" variable has been redeclared in the current
 scope or statement, effectively eliminating all access to the previous
 instance.  This is almost always a typographical error.  Note that the
 earlier variable will still exist until the end of the scope or until