Visual Key to Clue Analysis :
Definition : BOLD
Wordplay : Italics with keywords underlined as well
Link : Normal
F6. Playfully, require nothing but ...(8)
Require nothing but = Want only
wantonly = playfully
G6. ... convenience in game. (3)
convenience = loo which is also a game
H6. Rhode Island woman admitted into close circle ... (8)
Rhode island = RI woman = Di close = mean
Me RI DI an gives us meridian which is a circle
I6. ... knowing Katharina's daughter (6) Katharina( from Taming of the Shrew) = Shrew
Daughter = D
Shrewd = Knowing
J6. This bean is put through the mill to make a drink ... (8)
anagram of 'this bean' is absinthe which is a drink
K6. ... taking two months to extract essence (6)
two months = Dec and Oct
Together they form Decoct which is to extract essence
L6. Singular articles in long letter ... (6)
singular = S
articles = creed
screed = long letter
M6. ... about wife, one first to be opened (9)
wife = W
about is container indicator ; hence "one first" must be placed around W.
one = UN
first here refers to the answer from the previous clue "screed"
so we have un scre w ed giving us unscrewed = opened.
here, the ellipsis supposedly justifies the unusual usage of "first" as referring to the previous clue --tied to it by those dots!
Here are a few more clues making use of those dots to achieve smoother reading.
A7. Two players taking up Arabic lute ... (3) _ _ _
B7. ... fast come to prefer flutes,etc (4,3,4) _ _ _ _ _ _ E _ _ _ D
C7. Gruesome globe put in, in the middle of ... (6) _ O _ _ _ _
D7. ... Models of solar system - ie errors get made (8) _ R _ _ R _ _ _
E7. Hesitation in a right toff's reasoning ... (8) _ R _ _ _ E _ _
F7. ...can put up charge for fertiliser (7) _ _ _ R _ _ E
G7. Pardoning a criminal that's responsible for producing notes...(5,5) _ R _ _ _ _ _ A _ _
H7. ... half hidden, mischievous but public-spirited (9) _ _ _ E _ _ _ S _