Getting a value of a gamerule

When you get the value of a gamerule by only typing

/gamerule [rule name]

You will only get this feedback:

[rule name] = [value]

However the word gamerule is not mentioned (unlike trying to get the value of an not existing gamerule).

Setting a gamerule

When you set a gamerule there is no indicator which gamerule you actually set nor to which value. The current feedback is just:
Game rule has been updated
This part fixed in 1.9