Comment Terminal emulators should be agnostic (Score 1) 286
As far as the feature requests mentioned in the opening paragraph go; those would actually be features of the REMOTE SHELL that would manifest in the terminal emulator via ASCII/EBCDIC command codes. Emulated GUI-like features that respond to arrow keys and mouse. The Midnight Commander file browser tool is a great example.
Likewise, we don't ask why can't our TELEVISION allow us to pan around the set of a movie we're watching so we can see it from different angles. Or swap out characters for different actors. Or delete drapes we don't like. It can't ever do that. It can't force new imagery out of the existing movie. Blade Runner's ESPER doesn't exist.