5.004_56: patch for `use Fatal' again

p4raw-id: //depot/perl@467

3 files changed, 16 insertions, 0 deletions

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 166e046f22..20c0ae1325 100644
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -883,6 +883,11 @@ a B<-e> switch.  Maybe your /tmp partition is full, or clobbered.
 an assignment operator, which implies modifying the value itself.
 Perhaps you need to copy the value to a temporary, and repeat that.
 
+=item Cannot find an opnumber for "%s"
+
+(F) A string of a form C<CORE::word> was given to prototype(), but
+there is no builtin with the name C<word>.
+
 =item Cannot open temporary file
 
 (F) The create routine failed for some reason while trying to process
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod
index a1184c8a08..bae135bc92 100644
--- a/pod/perlfunc.pod
+++ b/pod/perlfunc.pod
@@ -2374,6 +2374,13 @@ Returns the prototype of a function as a string (or C<undef> if the
 function has no prototype).  FUNCTION is a reference to, or the name of,
 the function whose prototype you want to retrieve.
 
+If FUNCTION is a string starting with C<CORE::>, the rest is taken as
+a name for Perl builtin.  If builtin is not I<overridable> (such as
+C<qw>) or its arguments cannot be expressed by a prototype (such as
+C<system>) - in other words, the builtin does not behave like a Perl
+function - returns C<undef>.  Otherwise, the string describing the
+equivalent prototype is returned.
+
 =item push ARRAY,LIST
 
 Treats ARRAY as a stack, and pushes the values of LIST
diff --git a/pod/perlmodlib.pod b/pod/perlmodlib.pod
index cfb281dcc7..14bb7ebfa4 100644
--- a/pod/perlmodlib.pod
+++ b/pod/perlmodlib.pod
@@ -225,6 +225,10 @@ write linker options files for dynamic extension
 
 add blib/* directories to @INC
 
+=item Fatal
+
+make errors in builtins or Perl functions fatal
+
 =item Fcntl
 
 load the C Fcntl.h defines