xmlns:atom="http://www.w3.org/2005/Atom"
Testun rhagarweiniol
1.Enwi, dehongli a chymhwyso
2.Diwrnod penodedig
Llofnod
ATODLEN 1
ATODLEN 2
Nodyn Esboniadol
Nodyn Orchymyn Cychwyn Blaenorol