from retail

WeakAuras/RegionTypes/DynamicGroup.lua

@@ -449,7 +449,7 @@ local centeredIndexerStart = {
     if maxIndex >= 3 then
       return maxIndex - maxIndex % 2
     else
-      return maxIndex
+      return maxIndex > 0 and maxIndex or nil
     end
   end,
   -- Center -> Right -> Left, e.g: 3 1 2 4
@@ -457,7 +457,7 @@ local centeredIndexerStart = {
     if maxIndex % 2 == 1 then
       return maxIndex
     else
-     return maxIndex - 1
+      return maxIndex > 0 and maxIndex - 1 or nil
     end
   end
 }

WeakAuras/RegionTypes/RegionPrototype.lua

@@ -344,8 +344,9 @@ local function SetProgressSource(self, progressSource)
   self:UpdateProgress()
 end
 local function SetAdjustedMin(self, adjustedMin)
-  local percent = string.match(adjustedMin, "(%d+)%%")
-  if percent then
+  local index = adjustedMin:find("%% *$")
+  if index then
+    local percent = adjustedMin:sub(1, index-1)
     self.adjustedMinRelPercent = tonumber(percent) / 100
     self.adjustedMin = nil
   else
@@ -355,8 +356,9 @@ local function SetAdjustedMin(self, adjustedMin)
   self:UpdateProgress()
 end
 local function SetAdjustedMax(self, adjustedMax)
-  local percent = string.match(adjustedMax, "(%d+)%%")
-  if percent then
+  local index = adjustedMax:find("%% *$")
+  if index then
+    local percent = adjustedMax:sub(1, index-1)
     self.adjustedMaxRelPercent = tonumber(percent) / 100
   else
     self.adjustedMax = tonumber(adjustedMax)