martin rudalics <rudalics@gmx.at> writes:

>> If I run "emacs -Q" multiple times in a row with the build described
>> below in an X environment, I normally get a frame that my window manager
>> describes as 80x34 characters in size.
>>
>> However, about one in every ten times, I get a differently sized frame,
>> usually 84x36.  (And that is indeed the width in chars.)
>
> Please do `M-: (window--dump-frame)' on both frame types and post the
> contents of the buffer *window-frame-dump* for both cases so we can see
> where we spend the extra space.

Good: