And if you click on [S] the signature toggle button.
You will see the signature for each feature
The Features tool gives a summary of all immediate (written-in) features of the currently edited class. They are listed in a tree representation , where the nodes are the feature clauses, and the leaves are the features. In the tool mini-toolbar, a new feature command is available, which adds a new feature in the edited class.

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cached: 03/30/2017 4:01:24.000 AM