So, the above mentioned forgiveness mode is allowing the code to work in both cases.

What is strange here is that after leaving my computer ON over the weekend with Eclipse running, it stopped showing those things as errors on Monday.

It is now obvious that this change was made to make things clearer and avoid possible wrong definitions used when they have identical name at the end. It is recommended to convert all these enums to the new full form and used them as such for any further development.