I think it uses your startup/startup.bsh in your settings directory *in addition* to the the startup.bsh that is in the jedit install dir. But there is no documentation on the user settings startup folder, so I am not sure, I'd have to test it.

On Wed, Jul 30, 2014 at 4:37 PM, Edward Diener <eldiener@tropicsoft.com> wrote:
If I specify a command-line settings directory, via -settings=somepath,
is the startup.bsh in somepath used rather than the startup.bsh in the
Jedit installation location ?

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