I go to the root node of the structure that is being built.
Click on the box to the right of delim then click box with the ...
A new screen will pop up....
we are using hl7 we have been using this....
level 1 normal \r allow cheer
level 2 normal | cheer allow
level 2 repeat ~ cheer allow
level3 normal ^ cheer allow
level 3 escape \\ cheer allow
level 4 normal & cheer allow
you can also set the delmiters individually in each "element" by clicking on the element and following the same procedure.