In this example:

X: 1
T: The Kesh
C: Traditional
R: Jig
M: 6/8
L: 1/8
Q: 3/8=120
K: Gmaj
|:GAG ({BcB}G)AB|ABA ABd|edd gdd|edB dBA|

the slurs around the graces end up causing all kinds of odd slur mark issues in the notation: