When data items are used in CALL statements, the reference count for these data items is incorrect. For instance, hovering over ws-pgm in the following shows 3 for the reference count instead of 2:
working-storage section. 01 ws-pgm pic x(3) value 'xyz'. procedure division. call ws-pgm call ws-pgm
Full article: https://portal.microfocus.com/s/article/KM000010122
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