Roger wrote:
The message from sm_jamieson contains these words:
But EVERYONE calls them french doors, and if I ask a
question about "french windows" someone will say :
"Difficult to say, but AFAIK the French make their windows ..." (!)

Everyone doesn't. French windows is the correct description in the UK.
Only foreigners from the other side of the Atlantic should call them
french doors.

"Dumbing down" (sic), ain't it.