[RFA 1/2] Add completion for COMMAND in 'thread apply all|ID... COMMAND'

[Tom Tromey]

>>>>> "Philippe" == Philippe Waroquiers <philippe.waroquiers@skynet.be> writes:

>> One example is if the input text is "thread apply all -ascen".
>> It seems like this should complete to "-ascending " (with the trailing space).

Philippe> Currently, the unpatched GDB HEAD does not complete -ascen.
Philippe> I agree it should complete but it does not :(.
Philippe> (the GDB behaviour regarding command option syntax is wildly inconsistent).

Yeah, what I meant here is that it would be good if the new completion
code did this, not that this was something that currently occurred.

Tom