Re: Explanation Request for the Function set-transient-map in subr.el

[xenodasein]

> Come to think of it, I imagine a scenario where mc is non-nil and 
> this-command is not eq mc; the command changes it's own binding. I wonder if 
> this is an undesirable effect as it will dismiss the transient map.
>

Sorry, I forgot this thing is being called in pre-command-hook; in that case 
what I said before does not completely apply. However, if what changes 
this-command's binding to some other command is yet another pre-command-hook, 
then we arrive at the same situation?