Penetrating the Boundaries between Programs

LX and LU view the current program as a tree. The mainline code is the trunk and all the subroutines that emanate from that mainline code are the branches and leaves.

LX and LU not only scan the current program being edited, but also every program that is called, executed, performed, or included from the current program - until all nodes are searched. Clicking on any line takes you to that line. The blue highlighted lines are occurrences of the search string found in external code.

The boundary between programs is penetrated!

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