Editing Xterm (section)

===Protocols===
Supported terminal control functions include:
* [[ANSI X3.64]]
* [[Sixel]]
* Digital Equipment Corporation VT family:
** [[VT52]]
** [[VT102]]
** [[VT220]]
** [[VT420]]
* Tektronix family:
** [[Tektronix 4014]]

In addition to protocols used in commercially available terminal machines, xterm added a few protocols that have been adopted by other terminal emulators, such as:
* Mouse tracking: Support for buttons 4 and 5 was added in patch 120.<ref name=p120>{{Cite web|url=https://invisible-island.net/xterm/xterm.log.html#xterm_120 |title=Patch #120 - 1999/10/28 - XFree86 3.9.16c}}</ref>
* 16-color terminal protocol: Added in patch 39.<ref name=p39>{{Cite web|url=https://invisible-island.net/xterm/xterm.log.html#xterm_39 |title=Patch #39 - 1997/5/24 - XFree86 3.2Xl}}</ref>
* [[256 colors]] terminal protocol: Added in patch 111.<ref name=p111>{{Cite web|url=https://invisible-island.net/xterm/xterm.log.html#xterm_111 |title=Patch #111 - 1999/7/10 - XFree86 3.9Pw}}</ref>
* 88-color terminal protocol: Added in patch 115.<ref name=p115>{{Cite web|url=https://invisible-island.net/xterm/xterm.log.html#xterm_115 |title=Patch #115 - 1999/9/18 - XFree86 3.9.16a}}</ref>
* Custom color palette: Ability to specifying the RGB values for palette entries was added in patch 111.<ref name=p111 />
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