Use backwardsScanInRange instead of passing true

src/packages/bracket-matcher/lib/bracket-matcher.coffee

@@ -116,14 +116,13 @@ module.exports =
     regex = new RegExp("[#{_.escapeRegExp(startPair + endPair)}]", 'g')
     startPairPosition = null
     unpairedCount = 0
-    scanner = (match, range, {stop}) =>
+    buffer.backwardsScanInRange regex, scanRange, (match, range, {stop}) =>
       if match[0] is endPair
         unpairedCount++
       else if match[0] is startPair
         unpairedCount--
         startPairPosition = range.start
         stop() if unpairedCount < 0
-    buffer.scanInRange(regex, scanRange, scanner, true)
     startPairPosition
 
   updateMatch: (editor) ->