Update scss/_functions.scss

Co-authored-by: Louis-Maxime Piton <[email protected]>

scss/_functions.scss

@@ -12,7 +12,7 @@
       // Do nothing
     } @else if not comparable($prev-num, $num) {
       @warn "Potentially invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} whose unit makes it incomparable to #{$prev-num}, the value of the previous key '#{$prev-key}' !";
-    } @else if $prev-num > $num {
+    } @else if $prev-num > $num { // OUDS mod: ascending order can be equal
       @warn "Invalid value for #{$map-name}: This map must be in ascending order, but key '#{$key}' has value #{$num} which isn't greater than #{$prev-num}, the value of the previous key '#{$prev-key}' !";
     }
     $prev-key: $key;