textutils: new funs ltr and rtl
textutils: new funs ltr and rtl

Former-commit-id: a6109ec35b090510bc8d7e1dc53d535d6b202f13
Former-commit-id: 378073e04a2aedd8174b751b65bb1729686e1769
haste/ivar2,torhve/ivar2,torhve/ivar2,torhve/ivar2