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howcom · howcom · commit b9ffd6d065ad · 2010-08-09T19:57:15.000Z
diff --git a/css3-values/Overview.html b/css3-values/Overview.html
@@ -862,7 +862,7 @@ <h4 id=the-calc-min-and-max-functions><span class=secno>6.3.3. </span>The
 calc    : "calc(" S* sum ")" S*;
 min     : "min(" S* sum [ "," S* sum ]* )"" S*;
 max     : "max(" S* sum [ "," S* sum ]* ")" S*;
-sum     : product [ [ "+" | "-" ] S* product ]*;
+sum     : product [ S+ [ "+" | "-" ] S+ product ]*;
 product : unit [[ "*" S* unit ] | [ "/" S* NUMBER ]] *;
 unit    : ["+"|"-"]? [ NUMBER S* | DIMENSION S* | PERCENTAGE S* |
           min | max | "(" S* sum ")" S* ];
