On Tue, 10 Jan 2012 11:05:02 -0500, Austin Clements <amdragon@MIT.EDU> wrote:
> > > Is it possible for a tag in the last column to be just long enough to
> > > make the line still wrap?  Somehow my current tag set doesn't trigger
> > > this bug, so I can't test this case (and I admit I can't follow
> > > notmuch-hello-insert-tags well enough to reason this out).
> > 
> > With a sufficiently narrow window it's always possible to generate wrap,
> > of course. I couldn't make it happen for any window width that seemed
> > reasonable.
> 
> I should have specified more than one column.  Clearly if you're down
> to one column it's always possible to wrap, but if you have more than
> one, does the code always reduce the number of columns in preference
> to allowing a particularly long tag name to wrap a line?

It's supposed to do that.

I have a vague recollection that someone reported a bug where
`(window-width)' was not the right value to use if `line-number-mode' is
enabled, but I can't find it again now. (Someone should build an email
client that allows easy searching.)