nil if there's no relationship between the two. ;TI"B(Think of the relationship in terms of the class definition: ;TI"$"class A < B" implies "A < B".);T:
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object.c;T:0@omit_headings_from_table_of_contents_below0I"+mod < other -> true, false, or nil
;T0[ I" (p1);T@FI" Module;TcRDoc::NormalClass00