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<!DOCTYPE html>
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  <div class="section" id="what-s-new-in-mathjax-v2-2">
<span id="whats-new-2-2"></span><h1>What’s New in MathJax v2.2<a class="headerlink" href="#what-s-new-in-mathjax-v2-2" title="Permalink to this headline"></a></h1>
<p>MathJax v2.2 includes a number of new features, as well a more than 40
important bug fixes.</p>
<div class="section" id="features">
<h2>Features:<a class="headerlink" href="#features" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Localization of MathJax user interface.  (German and French
translations currently available in addition to English.)</li>
<li>Commutative diagrams via the <code class="docutils literal"><span class="pre">AMScd</span></code> extension.</li>
<li>New Safe-mode extension that allows you to restrict potentially
dangerous features of MathJax when it is used in a shared
environment (e.g., href to javascript, styles and classes, etc.)</li>
<li>Improve MathML rendering for <code class="docutils literal"><span class="pre">mfenced</span></code> and <code class="docutils literal"><span class="pre">mlabeldtr</span></code> elements in
browsers that don’t support them well.</li>
<li>Experimental Content MathML support.</li>
</ul>
</div>
<div class="section" id="tex-input">
<h2>TeX input:<a class="headerlink" href="#tex-input" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Avoid potential infinite loops in <code class="docutils literal"><span class="pre">\mathchoice</span></code> constructs.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/373">Issue #373</a>)</li>
<li>Add error message when an evironment closes with unbalanced braces.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/454">Issue #454</a>)</li>
<li>Allow spaces in the RGB, rgb, and greyscale color specifications.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/446">Issue #446</a>)</li>
<li>Process <code class="docutils literal"><span class="pre">\$</span></code> in <code class="docutils literal"><span class="pre">\text</span></code> arguements.  (ssue #349)</li>
<li>Preserve spaces within <code class="docutils literal"><span class="pre">\verb</span></code> arguments.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/381">Issue #381</a>)</li>
<li>Make <code class="docutils literal"><span class="pre">\smallfrown</span></code> and <code class="docutils literal"><span class="pre">\smallsmile</span></code> come from the variant font so
they have the correct size.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/436">Issue #436</a>)</li>
<li>Make the input TeX jax generate mrow plus mo elements rather than
mfenced elements (for better compatibility with native MathML
implementations).</li>
<li>Make <code class="docutils literal"><span class="pre">\big</span></code> and its relatives use script or scriptscript fonts
(although size is still absolute, as it is in TeX) so that it
balances the text weight in scripts.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/350">Issue #350</a>)</li>
<li>Convert true and false attributes to booleans in <code class="docutils literal"><span class="pre">\mmlToken</span></code>.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/451">Issue #451</a>)</li>
</ul>
</div>
<div class="section" id="asciimath">
<h2>AsciiMath:<a class="headerlink" href="#asciimath" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Rename AsciiMath config option from <code class="docutils literal"><span class="pre">decimal</span></code> to <code class="docutils literal"><span class="pre">decimalsign</span></code>.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/384">Issue #384</a>)</li>
</ul>
</div>
<div class="section" id="fonts">
<h2>Fonts:<a class="headerlink" href="#fonts" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Add Greek Delta to SVG fonts. (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/347">Issue #347</a>)</li>
<li>Fix monospace space character to be the same width as the other
monospace characters.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/380">Issue #380</a>)</li>
<li>Better handling of unknown or invalid values for mathvariant or
values not supported by generic fonts.</li>
</ul>
</div>
<div class="section" id="mathml">
<h2>MathML:<a class="headerlink" href="#mathml" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Handle empty child nodes better.</li>
<li>Improved MathML rendering for <code class="docutils literal"><span class="pre">mfenced</span></code> and <code class="docutils literal"><span class="pre">mlabeldtr</span></code> elements.</li>
<li>Ignore <code class="docutils literal"><span class="pre">linebreak</span></code> attribute on <code class="docutils literal"><span class="pre">mspace</span></code> when dimensional attributes are
set. (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/388">Issue #388</a>)</li>
<li>Implement <code class="docutils literal"><span class="pre">rowspacing</span></code>/<code class="docutils literal"><span class="pre">columnspacing</span></code> for <code class="docutils literal"><span class="pre">mtable</span></code> in native MathML
output in Firefox using cell padding.</li>
</ul>
</div>
<div class="section" id="html-css-svg-output">
<h2>HTML-CSS/SVG output<a class="headerlink" href="#html-css-svg-output" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Allow <code class="docutils literal"><span class="pre">\color</span></code> to override link color in SVG output.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/427">Issue #427</a>)</li>
<li>Add min-width to displayed equations with labels so that they cause
their containers to have non-zero width (like when they are in a
table cell or an absolutlye positioned element).  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/428">Issue #428</a>)</li>
<li>Fix a processing error with elements that contain hyperlinks.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/364">Issue #364</a>)</li>
<li>Try to isolate MathJax from CSS transitions.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/449">Issue #449</a>)</li>
<li>Go back to using em’s (rounded to nearest pixel) for Chrome.
Rounding makes the placement work more reliably, while still being
in relative units.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/443">Issue #443</a>)</li>
<li>Prevent error when math contains characters outside of the MathJax
fonts.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/441">Issue #441</a>)</li>
<li>Make final math size be in relative units so that it prints even if
print media has a different font size.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/386">Issue #386</a>)</li>
<li>Don’t scale line thickness for <code class="docutils literal"><span class="pre">menclose</span></code> elements (so lines won’t
disapear in scripts).  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/414">Issue #414</a>)</li>
<li>Fix <code class="docutils literal"><span class="pre">fontdata.js</span></code> to allow it to be included in combined configuration
files.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/413">Issue #413</a>)</li>
<li>Makes math-based tooltips be spaced properly when rendered.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/412">Issue
#412</a>)</li>
<li>Fix Math Processing Error when <code class="docutils literal"><span class="pre">&amp;ApplyFunction</span></code>; is used without
preceeding content.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/410">Issue #410</a>)</li>
<li>Fix a problem using an empty table as a super- or subscript.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/392">Issue #392</a>)</li>
<li>Handle the case where selection in maction is invalid or out of
range.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/365">Issue #365</a>)</li>
<li>Add a pixel extra around the SVG output to accommodate antialiasing
pixels.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/383">Issue #383</a>)</li>
<li>Fix Math Processing Error for <code class="docutils literal"><span class="pre">msubsup</span></code>/<code class="docutils literal"><span class="pre">msub</span></code>/<code class="docutils literal"><span class="pre">msup</span></code> elements.</li>
<li>Limit the number of repetition to build stretchy chars in HTML-CSS.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/366">Issue #366</a>)</li>
<li>Fix Math Processing Error in <code class="docutils literal"><span class="pre">mmultiscripts</span></code>/<code class="docutils literal"><span class="pre">menclose</span></code>. (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/62)">Issue
362)</a></li>
</ul>
</div>
<div class="section" id="interface">
<h2>Interface:<a class="headerlink" href="#interface" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Make zoom work properly with expressions that have full width (e.g.,
tagged equations).</li>
<li>Handle zooming when it is inside a scrollable element when it is not
the main body element.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/435">Issue #435</a>)</li>
<li>Update math processing errors to include original format and actual
error message in the “Show Math As” menu.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/450">Issue #450</a>)</li>
<li>Add a Help dialog box (rather than link to mathjax.org).</li>
<li>Remove the v1.0 configuration warning.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/445">Issue #445</a>)</li>
<li>Trap errors while saving cookies (and go on silently).  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/374">Issue #374</a>)</li>
<li>Fix typo in IE warning message.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/397">Issue #397</a>)</li>
<li>Use UA string sniffing for identifying Firefox and handle detecting
mobile versions better.</li>
<li>Make MathML source show non-BMP characters properly.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/361">Issue #361</a>)</li>
<li>Make tool tips appear above zoom boxes.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/351">Issue #351</a>)</li>
</ul>
</div>
<div class="section" id="miscellaneous">
<h2>Miscellaneous:<a class="headerlink" href="#miscellaneous" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li>Allow preview for preprocessors to be just a plain string (rather
than requiring <code class="docutils literal"><span class="pre">[string]</span></code>).</li>
<li>Remap back-tick to back-quote.  (<a class="reference external" href="https://github.com/mathjax/MathJax/issues/402">Issue #402</a>)</li>
<li>Handle script tags in <code class="docutils literal"><span class="pre">HTML.Element()</span></code> so they work in IE.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/342">Issue #342</a>)</li>
<li>Add the <code class="docutils literal"><span class="pre">MathJax_Preview</span></code> class to the <code class="docutils literal"><span class="pre">ignoreClass</span></code> list so that
<code class="docutils literal"><span class="pre">tex2jax</span></code> and <code class="docutils literal"><span class="pre">asciimath2jax</span></code> won’t process previews accidentally.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/378">Issue #378</a>)</li>
<li>Fix processing errors with various table and menclose attributes.
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/367">Issue #367</a>)</li>
<li>Use <code class="docutils literal"><span class="pre">hasOwnProperty()</span></code> when checking file specification objects
(prevents problems when <code class="docutils literal"><span class="pre">Object.prototype</span></code> has been modified).
(<a class="reference external" href="https://github.com/mathjax/MathJax/issues/352">Issue #352</a>)</li>
</ul>
</div>
</div>


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