From a973482ef2eb04d2adbbbc65af39fb5bbccbe66e Mon Sep 17 00:00:00 2001
From: Max Bruckner <max@maxbruckner.de>
Date: Sat, 14 Mar 2015 09:02:20 +0100
Subject: [PATCH] Fix bug in fix of breaking change

Without this fix, the type passed to ArrayNode.toTex would stay there
forever until you change it back manually instead of being used only
once.
---
 lib/expression/node/Node.js | 5 +++++
 lib/util/latex.js           | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/expression/node/Node.js b/lib/expression/node/Node.js
index 9f1d5d4f6..5f596fac2 100644
--- a/lib/expression/node/Node.js
+++ b/lib/expression/node/Node.js
@@ -232,6 +232,11 @@ Node.prototype.toString = function() {
  */
 Node.prototype.toTex = function(customFunctions) {
   var customTex;
+  if (this.type === 'ArrayNode') {
+    //FIXME this is only a workaround for a breaking change,
+    //remove this in version2
+    delete this.latexType;
+  }
   if (typeof customFunctions === 'object') {
     //if customFunctions is a map of callback functions
     if (customFunctions.hasOwnProperty(this.type)) {
diff --git a/lib/util/latex.js b/lib/util/latex.js
index a16683370..ed6afd33d 100644
--- a/lib/util/latex.js
+++ b/lib/util/latex.js
@@ -468,7 +468,9 @@ exports.toArgs = function(that, customFunctions) {
       if (that.args[0] instanceof ArrayNode) {
         //FIXME passing 'vmatrix' like that is really ugly
         that.args[0].latexType = 'vmatrix';
-        return that.args[0].toTex(customFunctions);
+        var latex = that.args[0].toTex(customFunctions);
+        delete that.args[0].latexType;
+        return latex;
       }
 
       brace = 'vmatrix';