Light Grey-Blue highlighting significance in SQL Worksheet - turn it off?

Hi
I've been working with SQLDeveloper for a while, and I'm now intrigued what the significance of the light context sensitive highlighting in the SQL worksheet window might be.
If I have one SQL statement in the window and I execute it with a ctrl-enter then the statement gets a blue-grey highlight.
If there are two statements and you ececute the second then the second one gets the goulish highlight.
I'm sure that this makes good sense to someone.
Is there any way to turn this quirkish thing off?
Thanks
Mike

Hi Tim
Thanks for the reply.
Apart from turning it off - I can't figure out why you would want it in the first place??
Usually someone spends time coding something they think will add value.
For me it's just clutter especially when I'm editing a long(ish) script of 100+lines - I just prefer a clean interface.
I have enough difficulty working out what I should be coding - let alone having my script switching colours on and off ;(
Anyone else?
Thanks
Mike

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