What is didaco?

Some articles on didaco:

Diego - The Name Didacus
... This form, and its Spanish equivalent "Didaco", were most likely created in retrospect (that is, to translate Diego into Latin, as opposed to being the source of the name Diego) ... Su nombre es Didaco o Yago, aunque vulgarmente lo llaman Diego ... (His name is Didaco or Yago, but he is commonly called Diego.) ...