[tripflag]

Aside from the 256-color section, I believe all of the examples given in the article are basic sequences which are supported in ~every terminal. Are you aware of any notable terminals where that is not the case?

Maybe I've been lucky, but I've written plenty software that blindly shoots CSI's at the console and still haven't hit any snags. Especially convenient when the channel is unidirectional; curl ocv.me :)

[skydhash]

Shelll-mode in emacs uses $TERM=dumb and doesn’t support escapes code by default. Same with compile-mode. Also there’s some tools that persist using escapes code even when piped to another program (like less).

[foresto]

I have read that people still use 9term. Its terminfo entry doesn't show any sign of ANSI escape code support.

If I remember correctly, ANSI-like terminal emulators in RGB mode (aka direct mode) only support 16-color and red/green/blue escape codes. Not the 256-color palette used in this article.

ANSI-compatible terminal emulators widely disagree on whether RGB values should be separated by semicolons or colons.

I have read articles (possibly on hackaday) this decade by people working on retro hardware projects, expressing frustration with command line programs that spew ANSI garbage to their non-ANSI terminals. At least one author resorted to the screen program, because it can translate some ANSI-isms to the correct codes for the active terminal.

I had genuine TeleVideo 912 glass terminals hooked up until not terribly long ago.

In any case, I don't view this as a matter of whether unusual terminals are "notable". We have an abstraction that plays nicely with them (and allows new terminal protocols to be developed). It's a POSIX standard. It's easy to use. I suggest using it.

(I'll put examples in a separate comment.)

[teddyh]

Do you only want to support users using “notable” terminals?

[tripflag]

Hence my question -- my belief was/is that all of the escape-sequences mentioned in the article will work on 99.99% of all terminals, with the exception of 256-color. Assuming this is true, IMO the remaining 0.01% does not justify introducing another dependency (ncurses -> tput).