Issuance of writ of possession. Levy and sale clause, §44-11-14. Recovery, §44-11-7. Setoff of value of improvements against by adverse claimant, §44-11-9. Setoff of value of improvements by trespasser, §44-11-8. Parties. Death of codefendant. Necessity for substitution, §44-11-11. Making true claimant defendant, §44-11-5. Previous warrantor of title as codefendant, §44-11-10. Persons not subject to writ of possession, §44-11-15. Petition. Annexation of title abstract, §44-11-12. Prior possession. When plaintiff may recover, §44-11-2. Recovery on strength of own title. Requirement, §44-11-1. Res judicata. Conclusiveness of judgment as to title, §44-11-13. Separate claimants.