widely-used Mac terminal emulators has a clue on how to handle Unicode block characters (Terminal.app, iTerm, Terminator,…; they all suck), so Mac Unicode lovers will probably need to run X and urxvt or something along those lines.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1567 c06c8d41-db1a-0410-9941-cceddc491573
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