Across
Self-assured, able to absorb study after study (9)
In time, about to come to same conclusion (5)
Curtains made at home, apart from fringes (5)
Revise a city rent that's bound to bring better profit (9)
Sign agreement — book available outside without question (2,5)
Around lake, watch person catching fish (7)
Gamble on it, backed in place of many mounts (5)
Purpose shown by predecessors of foe (3)
Group of players that's gross? On the contrary (5)
Because, for example, ultimately it's true (7)
Release call for peace by superpower (7)
Doctor is clad by a colleague to prepare for theatre (9)
Tries and dismisses following court's conclusion (5)
See 27
Old soldier in unit invested in food processor (9)
Down
Decorated with diamonds above and below (4)
Private patients are treated here (6)
Outline conversion of hotel suite (10)
Eschewing even bits of theory, create lines of verse (6)
Educated learner's initially expelled, with poor grade repeated (8)
Figures turned up at short notice: not a lot (4)
Pilgrim, speaking directly, left home (8)
Exact straight line passed over centre of gravity (4)
One form of what time is? Minutes, perhaps (5)
A certain opinion on iconic TV broadcast (10)
Assesses lab subjects, having injected drug (5)
Tribe's difficulty dividing African country (8)
Microscopic part for pupil, say? (8)
Most powerful men on board, but not at court (6)
Communicated with head of French department, initially, around ten (6)
What's required you must pay finally? (4)
A river journey for ancient boat with many oarsmen (4)
28a
Reign thus, badly and absolutely! (4,5)
Type letters or click words in the clue