Regularise use of repeats, tune (A/B/C etc.) markers and final bar. 1. Only show tune markers when a tune change is in the middle of a line. 2. Only show repeat starts |: if the repeat start is in the middle of a line. 3. Final bar end mark must be a thick line. The official rules for a repeat are that if there is no left repeat marker |: then the repeat starts at the previous double bar.

X:1
T:Herbert the Sherbert
C:Martin Ellison
M:6/8
L:1/8
Q:1/4=165
K:Em
"Em" E2 E "C" e3 |cBA "Em" B3 |GBA GFE | "D" FAG FED |
"Em" E2 E "C" e3 |cBA "Em" B3 |GBA GFE | "D" AGF "Em" E3 :|
"Em" EFG "D" F3 |"C" EFG "Bm" F3 | "Em" Bef gfe | "Bm" ded B3 |
"D" ded A3 |ded "Em" G3 | Bde "G" dBG |"D" AGF "Em" E3 :|