The typing configuration encapsulates text modifiers using the abstract class TTextModifier. Derived classes encapsulate a particular kind of modifier. Currently the only concrete class is TTransliteratorModifier.
This figure shows the text modifier classes.
TTextModifier defines the abstract protocol that lets the typing configuration encapsulate and call a text modifier. The Modify function is implemented for each derived class; the configuration calls Modify to activate the modifier.
TTransliteratorModifier encapsulates a transliterator by storing a TTransliteratorHandle, a lightweight reference to a transliterator. Transliterators are described in detail in the next section.
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