Add more to TeX documentation, and include new examples

docs/html/_sources/tex.txt

@@ -322,6 +322,33 @@ load extensions into pages that didn't load them in their
 configurations (and prevents you from having to load all the
 extensions into all pages even if they aren't used).
 
+It is also possible to create a macro that will autoload an extension
+when it is first used (under the assumption that the extension will
+redefine it to perform its true function).  For example
+
+.. code-block:: html
+
+    <script type="text/x-mathjax-config">
+    MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
+      MathJax.Hub.Insert(MathJax.InputJax.TeX.Definitions.macros,{
+        cancel: ["Extension","cancel"],
+        bcancel: ["Extension","cancel"],
+        xcancel: ["Extension","cancel"],
+        cancelto: ["Extension","cancel"]
+      });
+    });
+    </script>
+
+would declare the ``\cancel``, ``\bcancel``, ``\xcancel``, and
+``\cancelto`` macros to load the `cancel` extension (where they are
+actually defined).  Whichever is used first will cause the extension
+to be loaded, redefining all four to their proper values.  Note that
+this may be better than loading the extension explicitly, since it
+avoids loading the extra file on pages where these macros are *not*
+used.  The `sample autoloading macros
+<http://cdn.mathjax.org/mathjax/latest/test/sample-autoload.html>`_
+example page shows this in action.
+
 The main extensions are described below.
 
 
@@ -383,6 +410,9 @@ want to use the other macros that it defines.  The `AMSsymbols` extension
 is not loaded automatically, so you must include it explicitly if you want
 to use the macros it defines.
 
+Both extensions are included in all the combined configuration files
+that load the TeX input processor.
+
 
 Autobold
 --------
@@ -742,7 +772,20 @@ the paragraph, use
       }
     }
 
-You may also wish to set the font family, as the default is "serif".
+You may also wish to set the font family or other CSS values here.
+
+If you are using a combined configuration file that loads the TeX
+input processor, it will also load the `noErrors` extension
+automatically.  If you want to disable the `noErrors` extension so
+that you receive the normal TeX error messages, use the following
+configuration:
+
+.. code-block:: javascript
+
+    TeX: { noErrors: { disabled: true } }
+
+Any math that includes errors will be replaced by an error message
+indicating what went wrong.
 
 
 noUndefined
@@ -777,6 +820,19 @@ default values set ``mathcolor`` to ``"red"``, but do not set any
 other attributes.  This example sets the background to a light pink,
 and reduces the font size slightly.
 
+If you are using a combined configuration file that loads the TeX
+input processor, it will also load the `noUndefined` extension
+automatically.  If you want to disable the `noUndefined` extension so
+that you receive the normal TeX error messages for undefined macros,
+use the following configuration:
+
+.. code-block:: javascript
+
+    TeX: { noUndefined: { disabled: true } }
+
+Any math that includes an undefined control sequence name will be
+replaced by an error message indicating what name was undefined.
+
 
 Unicode support
 ---------------

docs/html/index.html

@@ -122,7 +122,7 @@ <h2>Reference Pages<a class="headerlink" href="#reference-pages" title="Permalin
 </li>
 </ul>
 <hr class="docutils" />
-<p>This version of the documentation was built February 20, 2012.</p>
+<p>This version of the documentation was built February 22, 2012.</p>
 </div>
 </div>
 

docs/html/tex.html

@@ -311,6 +311,29 @@ <h2>TeX and LaTeX in HTML documents<a class="headerlink" href="#tex-and-latex-in
 load extensions into pages that didn&#8217;t load them in their
 configurations (and prevents you from having to load all the
 extensions into all pages even if they aren&#8217;t used).</p>
+<p>It is also possible to create a macro that will autoload an extension
+when it is first used (under the assumption that the extension will
+redefine it to perform its true function).  For example</p>
+<div class="highlight-html"><div class="highlight"><pre><span class="nt">&lt;script </span><span class="na">type=</span><span class="s">&quot;text/x-mathjax-config&quot;</span><span class="nt">&gt;</span>
+<span class="nx">MathJax</span><span class="p">.</span><span class="nx">Hub</span><span class="p">.</span><span class="nx">Register</span><span class="p">.</span><span class="nx">StartupHook</span><span class="p">(</span><span class="s2">&quot;TeX Jax Ready&quot;</span><span class="p">,</span><span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
+  <span class="nx">MathJax</span><span class="p">.</span><span class="nx">Hub</span><span class="p">.</span><span class="nx">Insert</span><span class="p">(</span><span class="nx">MathJax</span><span class="p">.</span><span class="nx">InputJax</span><span class="p">.</span><span class="nx">TeX</span><span class="p">.</span><span class="nx">Definitions</span><span class="p">.</span><span class="nx">macros</span><span class="p">,{</span>
+    <span class="nx">cancel</span><span class="o">:</span> <span class="p">[</span><span class="s2">&quot;Extension&quot;</span><span class="p">,</span><span class="s2">&quot;cancel&quot;</span><span class="p">],</span>
+    <span class="nx">bcancel</span><span class="o">:</span> <span class="p">[</span><span class="s2">&quot;Extension&quot;</span><span class="p">,</span><span class="s2">&quot;cancel&quot;</span><span class="p">],</span>
+    <span class="nx">xcancel</span><span class="o">:</span> <span class="p">[</span><span class="s2">&quot;Extension&quot;</span><span class="p">,</span><span class="s2">&quot;cancel&quot;</span><span class="p">],</span>
+    <span class="nx">cancelto</span><span class="o">:</span> <span class="p">[</span><span class="s2">&quot;Extension&quot;</span><span class="p">,</span><span class="s2">&quot;cancel&quot;</span><span class="p">]</span>
+  <span class="p">});</span>
+<span class="p">});</span>
+<span class="nt">&lt;/script&gt;</span>
+</pre></div>
+</div>
+<p>would declare the <tt class="docutils literal"><span class="pre">\cancel</span></tt>, <tt class="docutils literal"><span class="pre">\bcancel</span></tt>, <tt class="docutils literal"><span class="pre">\xcancel</span></tt>, and
+<tt class="docutils literal"><span class="pre">\cancelto</span></tt> macros to load the <cite>cancel</cite> extension (where they are
+actually defined).  Whichever is used first will cause the extension
+to be loaded, redefining all four to their proper values.  Note that
+this may be better than loading the extension explicitly, since it
+avoids loading the extra file on pages where these macros are <em>not</em>
+used.  The <a class="reference external" href="http://cdn.mathjax.org/mathjax/latest/test/sample-autoload.html">sample autoloading macros</a>
+example page shows this in action.</p>
 <p>The main extensions are described below.</p>
 <div class="section" id="action">
 <h3>Action<a class="headerlink" href="#action" title="Permalink to this headline">¶</a></h3>
@@ -366,6 +389,8 @@ <h3>AMSmath and AMSsymbols<a class="headerlink" href="#amsmath-and-amssymbols" t
 want to use the other macros that it defines.  The <cite>AMSsymbols</cite> extension
 is not loaded automatically, so you must include it explicitly if you want
 to use the macros it defines.</p>
+<p>Both extensions are included in all the combined configuration files
+that load the TeX input processor.</p>
 </div>
 <div class="section" id="autobold">
 <h3>Autobold<a class="headerlink" href="#autobold" title="Permalink to this headline">¶</a></h3>
@@ -687,7 +712,17 @@ <h3>noErrors<a class="headerlink" href="#noerrors" title="Permalink to this head
 <span class="p">}</span>
 </pre></div>
 </div>
-<p>You may also wish to set the font family, as the default is &#8220;serif&#8221;.</p>
+<p>You may also wish to set the font family or other CSS values here.</p>
+<p>If you are using a combined configuration file that loads the TeX
+input processor, it will also load the <cite>noErrors</cite> extension
+automatically.  If you want to disable the <cite>noErrors</cite> extension so
+that you receive the normal TeX error messages, use the following
+configuration:</p>
+<div class="highlight-javascript"><div class="highlight"><pre><span class="nx">TeX</span><span class="o">:</span> <span class="p">{</span> <span class="nx">noErrors</span><span class="o">:</span> <span class="p">{</span> <span class="nx">disabled</span><span class="o">:</span> <span class="kc">true</span> <span class="p">}</span> <span class="p">}</span>
+</pre></div>
+</div>
+<p>Any math that includes errors will be replaced by an error message
+indicating what went wrong.</p>
 </div>
 <div class="section" id="noundefined">
 <h3>noUndefined<a class="headerlink" href="#noundefined" title="Permalink to this headline">¶</a></h3>
@@ -716,6 +751,16 @@ <h3>noUndefined<a class="headerlink" href="#noundefined" title="Permalink to thi
 default values set <tt class="docutils literal"><span class="pre">mathcolor</span></tt> to <tt class="docutils literal"><span class="pre">&quot;red&quot;</span></tt>, but do not set any
 other attributes.  This example sets the background to a light pink,
 and reduces the font size slightly.</p>
+<p>If you are using a combined configuration file that loads the TeX
+input processor, it will also load the <cite>noUndefined</cite> extension
+automatically.  If you want to disable the <cite>noUndefined</cite> extension so
+that you receive the normal TeX error messages for undefined macros,
+use the following configuration:</p>
+<div class="highlight-javascript"><div class="highlight"><pre><span class="nx">TeX</span><span class="o">:</span> <span class="p">{</span> <span class="nx">noUndefined</span><span class="o">:</span> <span class="p">{</span> <span class="nx">disabled</span><span class="o">:</span> <span class="kc">true</span> <span class="p">}</span> <span class="p">}</span>
+</pre></div>
+</div>
+<p>Any math that includes an undefined control sequence name will be
+replaced by an error message indicating what name was undefined.</p>
 </div>
 <div class="section" id="unicode-support">
 <h3>Unicode support<a class="headerlink" href="#unicode-support" title="Permalink to this headline">¶</a></h3>

docs/source/tex.rst

@@ -322,6 +322,33 @@ load extensions into pages that didn't load them in their
 configurations (and prevents you from having to load all the
 extensions into all pages even if they aren't used).
 
+It is also possible to create a macro that will autoload an extension
+when it is first used (under the assumption that the extension will
+redefine it to perform its true function).  For example
+
+.. code-block:: html
+
+    <script type="text/x-mathjax-config">
+    MathJax.Hub.Register.StartupHook("TeX Jax Ready",function () {
+      MathJax.Hub.Insert(MathJax.InputJax.TeX.Definitions.macros,{
+        cancel: ["Extension","cancel"],
+        bcancel: ["Extension","cancel"],
+        xcancel: ["Extension","cancel"],
+        cancelto: ["Extension","cancel"]
+      });
+    });
+    </script>
+
+would declare the ``\cancel``, ``\bcancel``, ``\xcancel``, and
+``\cancelto`` macros to load the `cancel` extension (where they are
+actually defined).  Whichever is used first will cause the extension
+to be loaded, redefining all four to their proper values.  Note that
+this may be better than loading the extension explicitly, since it
+avoids loading the extra file on pages where these macros are *not*
+used.  The `sample autoloading macros
+<http://cdn.mathjax.org/mathjax/latest/test/sample-autoload.html>`_
+example page shows this in action.
+
 The main extensions are described below.
 
 
@@ -383,6 +410,9 @@ want to use the other macros that it defines.  The `AMSsymbols` extension
 is not loaded automatically, so you must include it explicitly if you want
 to use the macros it defines.
 
+Both extensions are included in all the combined configuration files
+that load the TeX input processor.
+
 
 Autobold
 --------
@@ -742,7 +772,20 @@ the paragraph, use
       }
     }
   
-You may also wish to set the font family, as the default is "serif".
+You may also wish to set the font family or other CSS values here.
+
+If you are using a combined configuration file that loads the TeX
+input processor, it will also load the `noErrors` extension
+automatically.  If you want to disable the `noErrors` extension so
+that you receive the normal TeX error messages, use the following
+configuration:
+
+.. code-block:: javascript
+
+    TeX: { noErrors: { disabled: true } }
+  
+Any math that includes errors will be replaced by an error message
+indicating what went wrong.
 
 
 noUndefined
@@ -777,6 +820,19 @@ default values set ``mathcolor`` to ``"red"``, but do not set any
 other attributes.  This example sets the background to a light pink,
 and reduces the font size slightly.
 
+If you are using a combined configuration file that loads the TeX
+input processor, it will also load the `noUndefined` extension
+automatically.  If you want to disable the `noUndefined` extension so
+that you receive the normal TeX error messages for undefined macros,
+use the following configuration:
+
+.. code-block:: javascript
+
+    TeX: { noUndefined: { disabled: true } }
+  
+Any math that includes an undefined control sequence name will be
+replaced by an error message indicating what name was undefined.
+
 
 Unicode support
 ---------------

test/examples.html

@@ -4,7 +4,7 @@
 <title>MathJax Example Page</title>
 <!-- Copyright (c) 2012 Design Science, Inc. -->
 <style>
-li {margin-top: .25em}
+li {margin-top: .2em}
 </style>
 </head>
 <body>
@@ -21,14 +21,21 @@ <h1>MathJax Example Pages</h1>
 <li><a href="sample-eqnum.html">Page of TeX equations with automatic numbering</a></li>
 <li><a href="sample-eqnum.html">Page of TeX equations with equation references</a></li>
 <p>
-<li><a href="sample-signals.html">Page showing MathJax signals during page processing</a></li>
+<li><a href="sample-macros.html">Example of defining TeX macros</a></li>
+<li><a href="sample-autoload.html">Defining macros to autoload the extensions in
+  which they are implemented</a></li>
+<p>
+<li><a href="sample-all-at-once.html">Example of waiting until all the 
+  math is typeset before displaying the page (avoids "flicker")</a></li>
 <p>
 <li><a href="sample-dynamic-steps.html">Showing an equation one step at a time</a></li>
 <li><a href="sample-dynamic.html">Display an equation typed in by a user</a></li>
 <li><a href="sample-dynamic-2.html">Preview text containing math typed in by a user</a></li>
 <p>
 <li><a href="sample-loader.html">Loading MathJax into a page after it is loaded</a></li>
 <li><a href="sample-loader-config.html">Loading MathJax dynamically with in-line configuration</a></li>
+<p>
+<li><a href="sample-signals.html">Page showing MathJax signals during page processing</a></li>
 
 </ul>