Message-id management revisited

[Alasdair Allan]

Mark Taylor wrote:
> Mike Fitzpatrick wrote:
>>  app.status.progress           msgid,str       progress string
>>  app.status.progress.percent   msgid,float     percentage  
>> completed (float)
>>  app.status.progress.timeLeft  msgid,int       est. time remaining  
>> (sec)
>
> oof.  These get us back into deep water.
>
> Progress messages are a good idea, but... As the messaging is  
> currently set up, the recipient does not use the same msgid as the  
> sender does to identify a given message...

Ouch! Hadn't thought of that...

> I think I'd favour, in order: 5, 3, 4.  Anyone else?

I think I favour 8. Do nothing. That's a serious level of  
complication being bolted on for very little gain.

Al.