Test program for terminal emulators
Vttest tests the compatibility (demonstrates the non-compatibility) of so-called "VT100-compatible" terminals. In conformance of the good old hacker traditions, the only documentation of this program is the source code itself. To understand it, you also need a copy of the original VT100 manual from DEC.
Additional tests (past version 1.7) are provided for analysis of vt220, vt420 terminals, as well as variants of xterm.