diff --git a/.travis.yml b/.travis.yml
index 7034fbd0..b87ea02c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ node_js:
   - '4'
   - '5'
   - '6'
+  - '7'
   - stable
 sudo: false
 script:
diff --git a/lib/main.js b/lib/main.js
index 75db34df..54955baf 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -394,7 +394,7 @@ function ConfigureMathJax() {
               jax.CHTML.ex = ex = (data||defaults).ex;
               jax.CHTML.em = jax.CHTML.outerEm = em = ex / CHTML.TEX.x_height; // scale ex to x_height
               jax.CHTML.cwidth = width / em;
-              jax.CHTML.lineWidth = (linebreak ? width / em : CHTML.BIGDIMEN);
+              jax.CHTML.lineWidth = (linebreak ? width / em : 1000000);
               jax.CHTML.scale = 1; jax.CHTML.fontsize = "100%";
             }
             //
@@ -867,5 +867,9 @@ exports.config = function (config) {
   if (config.undefinedCharError != null) {undefinedChar   = config.undefinedCharError}
   if (config.extensions != null)         {extensions      = config.extensions}
   if (config.fontURL != null)            {fontURL         = config.fontURL}
-  if (config.MathJax) {MathJaxConfig = config.MathJax}
+  if (config.MathJax) {
+    // strip MathJax config blocks to avoid errors
+    if (config.MathJax.config) delete config.MathJax.config
+    MathJaxConfig = config.MathJax
+  }
 }
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 00000000..16a4b5fe
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,900 @@
+{
+  "name": "mathjax-node",
+  "version": "1.1.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.3.tgz",
+      "integrity": "sha1-uB3l9ydOxOdW15fNg08wNkJyTl0="
+    },
+    "acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c="
+    },
+    "acorn-globals": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
+      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
+      "requires": {
+        "acorn": "4.0.13"
+      }
+    },
+    "ajv": {
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+      "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
+      "requires": {
+        "co": "4.6.0",
+        "json-stable-stringify": "1.0.1"
+      }
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "optional": true
+    },
+    "array-equal": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz",
+      "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM="
+    },
+    "asn1": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
+      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+    },
+    "assert-plus": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
+      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ="
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
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+      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8="
+    },
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+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
+      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4="
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
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+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
+      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
+      "optional": true,
+      "requires": {
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "boom": {
+      "version": "2.10.1",
+      "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
+      "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+      "requires": {
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+      }
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+      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
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+      "integrity": "sha1-z/XfEpRtKX0rqu+qJoniW+AcAFw=",
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+      "integrity": "sha1-PGxFGhmO567FWx7GHQkgxngBpfQ=",
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+      "integrity": "sha1-0pgaqRSMHgCkHFphMRZqtGg7vMA=",
+      "requires": {
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+        "webidl-conversions": "3.0.1"
+      },
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+        "webidl-conversions": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+          "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE="
+        }
+      }
+    },
+    "wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "xml-name-validator": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-2.0.1.tgz",
+      "integrity": "sha1-TYuPHszTQZqjYgYb7O9RXh5VljU="
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+  }
+}
diff --git a/package.json b/package.json
index 8283b2ce..94de7ce7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mathjax-node",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "API's for calling MathJax from node.js",
   "keywords": [
     "MathJax",
@@ -23,7 +23,7 @@
     "url": "git://github.com/mathjax/MathJax-node.git"
   },
   "dependencies": {
-    "jsdom": "7.0 - 9.8",
+    "jsdom": "7.0 - 9.12",
     "mathjax": "*"
   },
   "scripts": {
diff --git a/test/issue223.js b/test/issue223.js
index c1098980..1cd26792 100644
--- a/test/issue223.js
+++ b/test/issue223.js
@@ -36,4 +36,10 @@ tape('displayIndent:left in HTML output', function(t) {
     var result = element.style.marginLeft;
     t.ok((result === expected), 'style includes a margin');
   });
+   // reset configuration
+    mjAPI.typeset({
+        math: ''
+    }, function(){
+        mjAPI.config({MathJax: {displayIndent: '0em'}});
+    })
 });
diff --git a/test/mathjax-config-combined.js b/test/mathjax-config-combined.js
new file mode 100644
index 00000000..aee36440
--- /dev/null
+++ b/test/mathjax-config-combined.js
@@ -0,0 +1,20 @@
+var tape = require('tape');
+var mjAPI = require("../lib/main.js");
+var jsdom = require('jsdom').jsdom;
+
+tape('MathJax configuration: strip config block', function (t) {
+    t.plan(1);
+    mjAPI.config({
+        MathJax: {
+            config: ["TeX-AMS_SVG.js"]
+        }
+    });
+    mjAPI.typeset({
+        math: 'E = mc^2',
+        format: "TeX",
+        mml: true,
+    }, function (data) {
+        t.ok(data, 'Config block did not cause errors');
+    });
+
+});
diff --git a/test/output-html-linebreaks-manual.js b/test/output-html-linebreaks-manual.js
new file mode 100644
index 00000000..11f8b764
--- /dev/null
+++ b/test/output-html-linebreaks-manual.js
@@ -0,0 +1,17 @@
+var tape = require('tape');
+var mjAPI = require("../lib/main.js");
+var jsdom = require('jsdom').jsdom;
+
+tape('Output, HTML: linebreaks, manual', function(t) {
+  t.plan(1);
+  mjAPI.start();
+  var tex = 'A \\\\ B';
+  var expected = '<span class="mjx-chtml MJXc-display"><span class="mjx-math" style="width: 100%;" aria-label="A \\\\ B"><span class="mjx-mrow" style="width: 100%;" aria-hidden="true"><span class="mjx-stack" style="width: 100%; vertical-align: -1.2em;"><span class="mjx-block" style="text-align: center;"><span class="mjx-box"><span class="mjx-mi"><span class="mjx-char MJXc-TeX-math-I" style="padding-top: 0.519em; padding-bottom: 0.298em;">A</span></span></span></span><span class="mjx-block" style="text-align: center; padding-top: 0.467em;"><span class="mjx-box"><span class="mjx-mspace" style="width: 0px; height: 0px;"></span><span class="mjx-mi"><span class="mjx-char MJXc-TeX-math-I" style="padding-top: 0.446em; padding-bottom: 0.298em;">B</span></span></span></span></span></span></span></span>'
+  mjAPI.typeset({
+    math: tex,
+    format: "TeX",
+    html: true
+  }, function(data) {
+    t.equal(data.html, expected, 'HTML output as expected');
+  });
+});