[kps]

And not everything that calls itself xterm-256color is actually xterm compatible *cough* GNOME *cough*.

[bitwize]

Xterm is actually a terminal emulator, and has to pass a suite of conformance tests that actually check its emulation of DEC VT series terminals.

Most of its successors are more like "shitty xterm emulators" whose conformance tests are "do my favorite mOdErN CLI apps work".