Re: master 5b5608c614: Fix glyph skipping optimization when a tab line is enabled

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> OK, and what about the last question I asked above?  If there's no
> header-line, but there is a tab-line, the code will still compare vpos
> with 1, although the vpos of the tab-line is now zero, right?

I see how the code might be made clearer if the assumption that a mode
line cannot be at vpos 1 isn't made, but can a mode line (the other kind
of mode_line_p row there is) really be at vpos 1?  Aren't windows
required to have a body height of at least 1 line?

Thanks.