The detail page Add to Cart doesn't update the cart on either of two scenario's:
This attempts to add items to the cart from the Prod_detail page before products are added to the cart via the Prod_results.php page.
Search for product
Select product detail
Add quantity and size; click Add to Cart
Click view quote
Results: The cart is empty
This attempts to update size and quantity from the Prod_detail page for an item that is already in the cart via the Prod_results.php page.
Search for product
Add quantity and size; click Get Quote
Click Select More Products
Click detail icon
Add quantity and size; click Add to Cart
Click view quote
Result: cart doesn’t update quantity or size