"Slytherin" Hermione?

[potioncat]

No: HPFGUIDX 112479

Valky: 
> 4 The teachers see precisely the same points I do and hence do not 
> show open disapproval of Hermiones hex. Frankly it is good for the 
> bigger picture of the WW if the students realise Hermione is a 
> formidable foe.
>

Potioncat:
Do we have canon that says that Pomfrey didn't have the information 
she needed to remove the hex? Or canon that says she chose not to 
remove it?  I know, I know, she can re-grow bones, but she can't 
cure the common cold. (Pepper-up Potion sounds worse than the cold 
to me.)

"Yes, dear, a powerful hex.  Use this ointment for 8 weeks and it 
should clear up."

I can believe that Hermione wasn't punished (think werewolf) but I 
doubt the adults wouldn't have done something to help the girl.  

Along that line, do we know that Hermione didn't tell Pomfrey about 
the polyjuice mixup?