1: Transgression if turning end in Marseille (5)
 2: Delicate stem is enlightening (5,4)
 3: First-class puzzle originally from Ontario is available (2,3)
 4: One implement for catching tuna damaged the fins (7)
 5: Record Buttrose with acidity in her final judgment (7)
 6: Plead with a representative to use a new type of role (7)
 7: Small stones unfinished in cemetary plot (5)
 8: 22 across, shot and others rustling his cattle (8)
 13: Android's gold love-apple close to Krypton (9)
 14: Repudiating a pig that's eating out (9)
 16: Nothing virile about British actor (7)
 17: Something that may move a hammer to engineer a murder (7)
 18: Very slow backtracking through formulaic algebra (7)
 20: Relatives reject South Dakota styles (5)
 21: Course left out of Texas city's comeback (5)
 23: Blasts most of eucalypt stumps (5)