[BRLTTY] Preserving presentation when copying to the clipboard

[Dave Mielke]

[quoted lines by Aura Kelloniemi on 2025/03/31 at 18:11 +0300]

> We might add that BRLTTY is also completely unaware
> of what the application (that happens to be reading from the terminal) is
> going to do with the input, if anything.

Doing nothing is okay. Getting escape sequences it doesn't recognize, on the other hand, is potentially a serious problem.

>Yet this unawareness does not prevent BRLTTY from sending pasted text or
>cursor routing key sequences to the terminal. 

Those are two different things. Sending pasted text is fine as that's exactly what the user is wanting. Sending cursor keys, on the other hand, assumes that they'll be recognized for what they are. Since we know tht we're writing to a Linux console, though, and since, for a Linux console, those sequences are well-defined, it, too, isn't a problem.

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