bug#19482: Changing to big font cause display problem

[张海君]

> 在 2015年2月21日，02:21，martin rudalics <rudalics@gmx.at> 写道：
> 
> IIUC this means that Emacs tries in `set-frame-font' to make your frame
> larger than your display which sounds like a bad idea.
> 
> Try first to make the frame smaller before you call `set-frame-font'
> such that the resizing step in that function stays within the limits of
> the display and see whether the problem persists.
> 
> Next try instead of (3) to maximize the frame and then restore its
> normal size, that is, the one after `set-frame-font', and see whether
> the problem persists (here I would simply type M-F10 twice).
> 
> Finally, set the variable `frame-inhibit-implied-resize' to t, call
> `set-frame-font' and see whether the problem persists.
> 
> martin

The two tries both make the problem disappear. Setting the variable 
`frame-inhibit-implied-resize' to t has no effect.
It seems that the variable is not defined in version 24.4.90.