Re: [PATCH] Fix the processing of Meta-key commands in TUI

[Pedro Alves <palves@redhat.com>]

On 08/28/2014 03:18 PM, Patrick Palka wrote:
> On Thu, Aug 28, 2014 at 7:31 AM, Pedro Alves <palves@redhat.com> wrote:
>> On 08/22/2014 09:44 PM, Patrick Palka wrote:
>>> +
>>> +  if (async_command_editing_p && key_is_start_sequence (ch))
>>
>> I think the key_is_start_sequence check means that we'll
>> fail to compensate in case the sequence if longer than
>> 2 bytes?  That is, we'll compensate for the second char,
>> but fail to compensate for the third, because by then,
>> ch will not be a start sequence key.
> 
> Yes I think so.  I only took into account common 2-byte sequences such
> as Alt_F.  I suppose that the check could be removed to account for
> 3+-byte key sequences too, but I haven't thought out the consequences
> of such change.  And I'm not sure that readline uses any of such
> sequences.

It's fine with me to leave this as is, if we add a comment
mentioning this issue.

Thanks,
Pedro Alves