[matchbrackets] Re-introduce maxHighlightLineLength

This reverts commit df85b9c.

Author: adrianheine

addon/edit/matchbrackets.js

@@ -75,14 +75,14 @@
 
   function matchBrackets(cm, autoclear, config) {
     // Disable brace matching in long lines, since it'll cause hugely slow updates
-    var maxScanLen = cm.state.matchBrackets.maxScanLineLength || 1000;
+    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
     var marks = [], ranges = cm.listSelections();
     for (var i = 0; i < ranges.length; i++) {
       var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config);
-      if (match && cm.getLine(match.from.line).length <= maxScanLen) {
+      if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
         var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
         marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
-        if (match.to && cm.getLine(match.to.line).length <= maxScanLen)
+        if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
           marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style}));
       }
     }

doc/manual.html

@@ -2402,6 +2402,8 @@ <h2 id="addons">Addons</h2>
           <dd>Stop after scanning this amount of lines without a successful match. Defaults to 1000.</dd>
           <dt><strong><code>maxScanLineLength</code></strong></dt>
           <dd>Ignore lines longer than this. Defaults to 10000.</dd>
+          <dt><strong><code>maxHighlightLineLength</code></strong></dt>
+          <dd>Don't highlight a bracket in a line longer than this. Defaults to 1000.</dd>
         </dl></dd>
 
       <dt id="addon_closebrackets"><a href="../addon/edit/closebrackets.js"><code>edit/closebrackets.js</code></a></dt>