perldiag.pod: Document overload’s invalid arg warning

diff --git a/pod/perldiag.pod b/pod/perldiag.pod
index 1744721..544a9ed 100644 (file)
--- a/pod/perldiag.pod
+++ b/pod/perldiag.pod
@@ -3473,6 +3473,11 @@ the string being unpacked.  See L<perlfunc/pack>.
 the string being unpacked.  The string being unpacked was also invalid
 UTF-8.  See L<perlfunc/pack>.
 
 the string being unpacked.  The string being unpacked was also invalid
 UTF-8.  See L<perlfunc/pack>.
 

+=item overload arg '%s' is invalid
+
+(W overload) The L<overload> pragma was passed an argument it did not
+recognize.  Did you mistype an operator?
+

 =item Overloaded dereference did not return a reference
 
 (F) An object with an overloaded dereference operator was dereferenced,
 =item Overloaded dereference did not return a reference
 
 (F) An object with an overloaded dereference operator was dereferenced,