gvim font rendering glitch

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https://bbs.archlinux.org – Hello, I am having some problems with font rendering in gvim.  In a nutshell:When entering text into the gvim command line, characters are sometimes rendered as an empty space.  What is odd is that this is only happening to me with i3wm or twm, but not under awesome.More detail:As an example, I just typed ":e /etc/passwd" but it rendered as ":e /e  /p     d" - if the window loses focus it is repainted correctly.  It is not limited to specific glyphs, if I type: ":eeeeeeeeeeeeeeeeeeeeeeeeeee" it will render as something like &quot (HowTos)