bug#2375: 23.0.90; ^ in gnus summary buffer does not work in the nextstep build

[Stefan Monnier]

>> It still leaves open the question of whether it would be desirable
>> to shortcut this so that pressing ^ in the Gnus summary immediately
>> calls the Gnus command, without having to press a subsequent SPC.
> Besides a matter of taste, the marked text (corresponding to preedit
> in XIM) is not necessarily identical to the pressed key (e.g.,
> Japanese input methods).
>>> Also, the difference in the code length shows how the Cocoa/GNUstep
>>> port oversimplifies the whole text input processing: it doesn't
>>> respect attributes in the marked text (which corresponds to text
>>> properties) or the selected range value.
>> I don't know what is "the marked text" nor what is "the selected
>> range value".
> They are in the Cocoa NSTextInput terminology.  The "marked text"
> corresponds to "preedit" in XIM as above or "active input" in Carbon
> TSM.  I don't know why the Cocoa/GNUstep port call it "working text".
> The "selected range" represents the caret position in the marked text.

I don't know what "preedit" or "caret" are either :-(


        Stefan