EOT
Noun
Meaning
Initialism of extraordinary optical transmission.
(computing, telecommunications) Initialism of end of transmission.
(Internet) Initialism of end of topic/thread.
Source: en.wiktionary.orgExamples
A program may then decide to handle the EOT byte as an indication that it should end the text; this would then be similar to how Ctrl + Z is handled by DOS programs.
In Unix the end-of-file character (by default EOT) causes the terminal driver to make available all characters in its input buffer immediately; normally the driver would collect characters until it sees an end-of-line character.
A transmission block is usually terminated by an End Of Block character (EOB), End Transmission Block character (ETB), End Of Text character (ETX), or End Of Transmission character (EOT).
A slave station indicates that it has completed its transmission by sending the end of transmission character ( EOT ).
I agree that conditional comments can be used to efficiently serve EOT to IE, and TTF to non-IE.