// Check the non-ID flags
    if ((item1.flags & (~ISFLAG_IDENT_MASK)) !=
        (item2.flags & (~ISFLAG_IDENT_MASK)))

    // Check the non-ID flags, but ignore dropped, thrown, cosmetic,
    // and note flags
#define NON_IDENT_FLAGS ~(ISFLAG_IDENT_MASK | ISFLAG_COSMETIC_MASK | \
                          ISFLAG_DROPPED | ISFLAG_THROWN | \
                          ISFLAG_NOTED_ID | ISFLAG_NOTED_GET)
    if ((item1.flags & NON_IDENT_FLAGS) !=
        (item2.flags & NON_IDENT_FLAGS))
    {

    }

    // The inscriptions can differ if one of them is blank, but if they
    // are differing non-blank inscriptions then don't stack.
    if (item1.inscription != item2.inscription
        && item1.inscription != "" && item2.inscription != "")
    {
        return false;
    }

                // If the object on the ground is inscribed, but not
                // the one in inventory, then the inventory object
                // picks up the other's inscription.
                if (mitm[obj].inscription != ""
                    && you.inv[m].inscription == "")
                {
                    you.inv[m].inscription = mitm[obj].inscription;
                }