Concatenates the text values of the tree.
// greetings.yaml
Alice: Hello, Alice.
Bob: Hello, Bob.
Carol: Hello, Carol.
$ ori Tree.deepText greetings.yaml
Hello, Alice.Hello, Bob.Hello, Carol.
Tree.
Concatenates the text values of the tree.
// greetings.yaml
Alice: Hello, Alice.
Bob: Hello, Bob.
Carol: Hello, Carol.
$ ori Tree.deepText greetings.yaml
Hello, Alice.Hello, Bob.Hello, Carol.