Packing "R" actions in a QTDP packet

[Michael Snyder]

Jim Blandy wrote:
> The code in stringify_collection_list will concatenate as many 'M' and
> 'X' actions as it can in a packet, but it leaves 'R' actions in a
> packet by themselves. 

Are you sure?  That's not my recollection, though admittedly
it's been 5 years or so...  In my mental picture, the R bitmask
goes somewhere in the QTDP message, just *before* the memranges.

There is of course only one 'R' <thing> per tracepoint,
because it's a bitmask...

 > Is there any technical reason for this?  Should
> I simply document the protocol as allowing actions to be packed
> together as much as you like as long as the overall packet size
> doesn't get too big, or should I say that 'R' actions require a packet
> unto themselves?