bug#3300: 23.0.93; doc string of resize-mini-windows

emacs -Q
 
The doc string says that a value of `grow-only':
 
"means let mini-windows grow only, until their display becomes empty,
at which point the windows go back to their normal size."
 
That is not what happens.
 
M-x hhhhhhhhhhhhh C-q C-j kkkkkkkkkkkkk C-q C-j mmmmmmmmmmmmmmmm
 
Then use backspace or whatever, to empty the minibuffer. The height
remains at the max height it was grown to. Same thing if you use `C-x
C-f' or anything else.
 
Either the doc is wrong or the product is wrong.
 
In GNU Emacs 23.0.93.1 (i386-mingw-nt5.1.2600)
 of 2009-05-02 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'