I want to know the answer to the following question:
What is still the conventional use of the ETX code?
All the background I'm provided with is that "The end-of-text code (ETX), also known as Control-C, was inappropriate for a variety of reasons, while using Z as the control code to end a file is analogous to it ending the alphabet and serves as a very convenient mnemonic aid.". Is that enough to answer the question?
Answer: no