" font-size="10.50">This Page&#39;s Entity</text>
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<p>Solid arrows point from a procedure to one which it calls. Dashed 
arrows point from an interface to procedures which implement that interface.
This could include the module procedures in a generic interface or the
implementation in a submodule of an interface in a parent module.
</p>
 Where possible, edges connecting nodes are
given different colours to make them easier to distinguish in
large graphs.</div>
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