Re: Window splitting issues with margins

[martin rudalics]

> When a window's got non-zero width display margin, that margin gets a
> portion of the window's glyph matrix allocated for it.  So each glyph
> row has a portion that belongs to the margin.  Then any display spec
> that writes into the margin produces glyphs which are added to the
> margin portion of the glyph row, until all the available width there
> is exhausted, at which point any additional text (or images) written
> into the margin simply gets discarded (there's no "continuation" or
> line-wrapping for display margins).  But until then, you get
> effectively the concatenation of everything written into the margins,
> in the order the display engine examines the buffer and its associated
> display strings/images and overlays.

So this discussion is not hypothetical.  Does anyone take care of
inserting spaces between the specs?  If not this is yet another thing
modes had to agree upon.

martin