=item C<can_enter_product($product_name, $warn)>
- Description: Returns 1 if the user can enter bugs into the specified product.
+ Description: Returns a product object if the user can enter bugs into the
+ specified product.
If the user cannot enter bugs into the product, the behavior of
this method depends on the value of $warn:
- if $warn is false (or not given), a 'false' value is returned;
must be thrown if the user cannot enter bugs
into the specified product.
- Returns: 1 if the user can enter bugs into the product,
+ Returns: A product object if the user can enter bugs into the product,
0 if the user cannot enter bugs into the product and if $warn
is false (an error is thrown if $warn is true).