Question: I would like to have the same editor available on all of the platforms I frequent.

Emacs and Vi are not desired solutions.

Answer: 
note that you can use UNIX-style relative path names such as

```
-data ../workspace

```

even under Windows, in case something doesn't like colons or backslashes in parameters, like Jumplist Launcher
I wish people would give an actual example, i learn better with examples rather than syntax.
so here it goes...

```
"C:\MyEclipse Blue Edition\MyEclipse Blue Edition 10\myeclipse-blue.exe" -showlocation -data "C:\EclipseWork\WorkSpace"

```

this command will open eclipse with the specified workspace. this is a working example.