-dkHorn["2"] := "{u+25bc}" ; (▼) black down-pointing triangle
-dkHorn["@"] := "{u+25bd}" ; (▽) white down-pointing triangle
-dkHorn["4"] := "{u+25c0}" ; (◀) black left-pointing triangle
-dkHorn["$"] := "{u+25c1}" ; (◁) white left-pointing triangle
-dkHorn["6"] := "{u+25b6}" ; (▶) black right-pointing triangle
-dkHorn["^"] := "{u+25b7}" ; (▷) white right-pointing triangle
-dkHorn["8"] := "{u+25b2}" ; (▲) black up-pointing triangle
-dkHorn["*"] := "{u+25b3}" ; (△) white up-pointing triangle
+dkPlus["2"] := "{u+25bc}" ; (▼) black down-pointing triangle
+dkPlus["@"] := "{u+25bd}" ; (▽) white down-pointing triangle
+dkPlus["4"] := "{u+25c0}" ; (◀) black left-pointing triangle
+dkPlus["$"] := "{u+25c1}" ; (◁) white left-pointing triangle
+dkPlus["6"] := "{u+25b6}" ; (▶) black right-pointing triangle
+dkPlus["^"] := "{u+25b7}" ; (▷) white right-pointing triangle
+dkPlus["8"] := "{u+25b2}" ; (▲) black up-pointing triangle
+dkPlus["*"] := "{u+25b3}" ; (△) white up-pointing triangle