Re: Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it?

[Po Lu]

Richard Stallman <rms@gnu.org> writes:

>   > At the very least, it would require the cooperation of the terminal
>   > emulators, because these days they typically don't declare what they are
>   > (much less whether or not they support ligatures), instead masquerading
>   > as `xterm'.

> I presume any terminal that calls itself that is operating on a
> graphics console and can display ligatures when using a suitable font.

Not really.  For example, xterm itself doesn't support ligatures at all,
but VTE (the GNOME terminal emulator, which confusingly also reports
itself as xterm) does.

Thanks.