Library /sys$common/syshlp/sca$menu.hlb sca__cust_view_lex  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Click on this button to have graphical query results default to
  lexical tree form.  Lexical trees show relationships in source order.
  In a call graph query result, for example, each call to a routine
  results in an arc/node pair in the resulting call graph.