You missed this bit:Strangely (?) Roy posted a partial quote that omits the answer. He accidentally (?) Gave a false and misleading impression.
So in a spirit of helpful co-operation, I will do it for him. Quoting from the link he provided.
Can anyone guess what it is?
I will repeat that.
the law doesn’t define the terms “transwoman” or “trans woman” at all.
The law doesn't define the terms, transwoman or trans woman, because they are women in the eyes of the law.
The law defines a woman, the 'trans' prefix is superfluous.
You've chosen to post a small snippet of the article, in order to place your own emphasis, and your own interpretation on that single sentence.