Is parse bugged?

x below is none instead of {"abdfff} in this very basic parse rule:

>> t: {aaa"abdfff"dddddddd}
== {aaa"abdf开发者_如何转开发ff"dddddddd}
>>
>> parse t [to {"} copy x to {"}]
== false
>> x
== none

I'm no expert on rebol, but shouldn't the first to be thru?

parse t [thru {"} copy x to {"}]

Does that help?