Purpose: Document (particularly core distribution) [Tcl] and [Tk] differences between supported platforms. * Features unique to [X] Windows versions of Tk 1. -display support 2. The [send] command (while [Mac OS X] using an X server supports send (what about [Aqua] MacOS X Tcl/Tk?), send still does not work ''out of the box'' in standard distributions of [Windows] yet) * Features unique to [Microsoft] Windows versions of Tk 1. [Windows specific Tcl commands] 1. [[What are the Windows specific extensions - like [registry], etc.]] 2. [dde] package * Features unique to Apple MacOS X versions of Tk 1. [[What are the MacOS X specific extensions]] 2. The [resource] command * Features which work differently 1. Native widgets on Windows/MacOS X vs [Unix] Tcl and [C] widgets [[is there a [wiki] page detailing which of these exist]] 2. menu unpost is documented to not work on windows 3. [[wm attributes]] takes different values on Windows/MacOS, and does nothing on Unix (in [Tcl/Tk] 8.4.9.0, at least). 4. Icon support in [wm]. 5. Mouse wheel bindings. 6. "Right" mouse [button] bindings - Mac users expect "context" menus to work with Control-Button-1; Button-3 seems to be the mouse wheel, if a three-button mouse is connected. 7. The [file] command, especially with directory separators/network drives/etc. 8. The [exec] command has different forms on different platforms, and works slightly differently 9. [glob] (with regard to directory separators) ---- [Category Porting]