Dame Maggie Smith in Wheelchair - why?

[Tonks]

 Shaun wrote:
> Dame Margaret or Dame Maggie - never Dame Smith (uttely pointless 
and pedantic but they 
> made me learn this stuff at school!).

Tonks:
OK, educate me in British manners, please. Explain it all. Thanks.

Shaun:
> The wheelchair is a prop from the film, and, yes, it's related to 
her recovery from tha attack -  this came up on another forum a few 
days ago.
> 

Tonks:
So they have made changes from the book yet again. But they should 
*think* about this, because the chair looks like a modern one. And 
the WW is depicted as being in the 18th or 19th century. Even in the 
1940's U.S. film "It's a Wonderful Life", the bad guy, Mr. Potter, 
is in a wheel chair and it looks much older than what they have for 
Smith. So if they are going to put her in a chair, it should be one 
that fits the era that the WW is in.

Tonks_op