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beginchar("@",.5wedge_wid#+wedge_len#,let_height#,0);
wedgesetup;
wccw(1) = (0, h);
wmid(2) = wpnt(1); rot(2) := -90;
tback(3) = cen(2); rot(3) := -90;
wpnt(4) = mid(3);
mid(5) = mid(4); rot(5) := -90;
wedgeset(1, 5);
endchar;
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