- "chunk[%d] of size %ld at %s offset=%s\n",
- i, (long)len, big_num(offset2), big_num(offset));
+ "chunk[%d] of size %ld at %s offset=%s%s\n",
+ i, (long)len, big_num(offset2), big_num(offset),
+ updating_basis_or_equiv && offset == offset2 ? " (seek)" : "");