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<div class="section" id="what-s-new-in-mathjax-v2-0">
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<span id="whats-new-2-0"></span><h1>What’s New in MathJax v2.0<a class="headerlink" href="#what-s-new-in-mathjax-v2-0" title="Permalink to this headline">¶</a></h1>
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<p>MathJax version 2.0 includes many new and improved features, including
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much better speeds in Internet Explorer, a new AsciiMath input
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processor, a new <a class="reference internal" href="glossary.html#term-svg"><em class="xref std std-term">SVG</em></a> output processor, support for additional
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LaTeX commands, and many bug fixes, to name just a few of the changes.</p>
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<div class="section" id="major-speed-improvement-for-html-css-output-particularly-in-ie">
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<h2>Major speed improvement for HTML-CSS output, particularly in IE<a class="headerlink" href="#major-speed-improvement-for-html-css-output-particularly-in-ie" title="Permalink to this headline">¶</a></h2>
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<p>The HTML-CSS output processing was redesigned to avoid the page
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reflows that were the main source of the speed problem in Internet
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Explorer 8 and 9. For test pages having between 20 and 50 typeset
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expressions, we see an 80% reduction in output processing time for
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IE8, a 50% reduction for IE9, and between 15% and 25% reduction for
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most other browsers over the corresponding v1.1a times. Since the
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processing time in v1.1a grows non-linearly in IE, you should see even
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larger savings for pages with more equations when using v2.0. Forcing
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IE7 emulation mode is no longer necessary (and indeed is no longer
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recommended).</p>
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</div>
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<div class="section" id="reduced-flickering-during-typsetting">
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<h2>Reduced flickering during typsetting<a class="headerlink" href="#reduced-flickering-during-typsetting" title="Permalink to this headline">¶</a></h2>
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<p>In the past, each expression was displayed as soon as it was typeset,
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which caused a lot of visual flickering as MathJax processed the page.
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In v2.0, the output is processed in blocks so that typeset expressions
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are revealed in groups. This reduces the visual distraction, and also
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speeds up the processing. The number of equations in a block can be
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controlled through the <tt class="docutils literal"><span class="pre">EqnChunk</span></tt> parameter in the HTML-CSS or SVG
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block of your configuration. See the <a class="reference internal" href="options/HTML-CSS.html#configure-html-css"><em>configuration options for
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HTML-CSS</em></a> and <a class="reference internal" href="options/SVG.html#configure-svg"><em>configuration options for SVG</em></a> pages for details.</p>
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<p>If the page URL includes a hash reference (a link to a particular
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location within the page), MathJax v2.0 will jump to that location
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after the page has finished typsetting. (Since the size of the page
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may have changed due to the mathematical typsetting, that location may
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no longer be visible on screen, so MathJax moves there when it is done
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with the initial typesetting.) You can control this behavior with the
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<tt class="docutils literal"><span class="pre">positionToHash</span></tt> parameter in the main section of your
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configuration. See the <a class="reference internal" href="options/hub.html#configure-hub"><em>core configuration options</em></a> page for details.</p>
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</div>
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<div class="section" id="automatic-equation-numbering-of-tex-formulas">
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<h2>Automatic equation numbering of TeX formulas<a class="headerlink" href="#automatic-equation-numbering-of-tex-formulas" title="Permalink to this headline">¶</a></h2>
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<p>The TeX input jax now can be configured to add equation numbers
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(though the default is not to number equations so that existing pages
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will not change their appearance). This is controlled through the
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<tt class="docutils literal"><span class="pre">equationNumbers</span></tt> section of the <tt class="docutils literal"><span class="pre">TeX</span></tt> block of your configuration
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(see the <a class="reference internal" href="options/TeX.html#configure-tex"><em>TeX configuration options</em></a> page for
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details). You can request that the numbering follow the AMS-style
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numbering of environments, or you can request that every displayed
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equation be numbered. There are now <tt class="docutils literal"><span class="pre">\label</span></tt>, <tt class="docutils literal"><span class="pre">\ref</span></tt>, and
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<tt class="docutils literal"><span class="pre">\eqref</span></tt> commands to make it easier to link to particular equations
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within the document.</p>
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</div>
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<div class="section" id="automatic-line-breaking-of-long-displayed-equations">
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<h2>Automatic line breaking of long displayed equations<a class="headerlink" href="#automatic-line-breaking-of-long-displayed-equations" title="Permalink to this headline">¶</a></h2>
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<p>MathJax now implements the MathML3 specification for automatic line
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breaking of displayed equations in its HTML-CSS output. This is
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disabled by default, but can be enabled via the <tt class="docutils literal"><span class="pre">linebreaks</span></tt> section
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of the <tt class="docutils literal"><span class="pre">HTML-CSS</span></tt> or <tt class="docutils literal"><span class="pre">SVG</span></tt> block of your configuration (see the
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<a class="reference internal" href="options/HTML-CSS.html#configure-html-css"><em>HTML-CS configuration options</em></a> or <a class="reference internal" href="options/SVG.html#configure-svg"><em>SVG
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configuration options</em></a> page for details). Note that
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automatic line breaking only applies to displayed equations, not
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in-line equations, unless they are themselves longer than a line. The
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algorithm uses the nesting depth, the type of operator, the size of
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spaces, and other factors to decide on the breakpoints, but it does
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not know the meaning of the mathematics, and may not choose the
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optimal breakpoints. We will continue to work on the algorithm as we
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gain information from its actual use in the field.</p>
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</div>
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<div class="section" id="new-asciimath-input-jax-and-svg-output-jax">
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<h2>New AsciiMath input jax and SVG output jax<a class="headerlink" href="#new-asciimath-input-jax-and-svg-output-jax" title="Permalink to this headline">¶</a></h2>
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<p>MathJax currently processes math in either <a class="reference internal" href="glossary.html#term-tex"><em class="xref std std-term">TeX</em></a> and
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<a class="reference internal" href="glossary.html#term-latex"><em class="xref std std-term">LaTeX</em></a> format, or <a class="reference internal" href="glossary.html#term-mathml"><em class="xref std std-term">MathML</em></a> notation; version 2.0 augments
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that to include <a class="reference internal" href="glossary.html#term-asciimath"><em class="xref std std-term">AsciiMath</em></a> notation (see <a class="reference external" href="http://www1.chapman.edu/~jipsen/mathml/asciimath.html">the ASCIIMathML
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home page</a>
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for details on this format). This is a notation that is easier for
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students to use than TeX, and has been requested by the user
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community. See the <a class="reference internal" href="asciimath.html#asciimath-support"><em>AsciiMath support</em></a> page
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for details.</p>
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<p>In addition to the HTML-CSS and Native MathML output available in
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v1.1, MathJax v2.0 includes an <a class="reference internal" href="glossary.html#term-svg"><em class="xref std std-term">SVG</em></a>-based output jax. This should
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prove to be more reliable than the HTML-CSS output, as it avoids some
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CSS, web-font, and printing issues that the HTML-CSS output suffers
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from, and it currently has no browser-dependent code. The SVG mode
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even works in some ebook readers (like Apple iBooks and Calibre). See
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the <a class="reference internal" href="output.html#output-formats"><em>output formats</em></a> documentation for details.</p>
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</div>
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<div class="section" id="new-combined-configuration-files">
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<h2>New combined configuration files<a class="headerlink" href="#new-combined-configuration-files" title="Permalink to this headline">¶</a></h2>
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<p>Pre-defined configuration files that include the AsciiMath and SVG
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processors are now available with MathJax v2.0. These include
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<tt class="docutils literal"><span class="pre">AM_HTMLorMML</span></tt>, <tt class="docutils literal"><span class="pre">TeX-AMS-MML_SVG</span></tt>, and <tt class="docutils literal"><span class="pre">TeX-MML-AM_HTMLorMML</span></tt>.
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See the <a class="reference internal" href="configuration.html#config-files"><em>common configurations</em></a> section for details.</p>
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</div>
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<div class="section" id="mathjax-contextual-menu-now-available-on-mobile-devices">
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<h2>MathJax contextual menu now available on mobile devices<a class="headerlink" href="#mathjax-contextual-menu-now-available-on-mobile-devices" title="Permalink to this headline">¶</a></h2>
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<p>MathJax v2.0 provides access to its contextual menu in mobile devices
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that are based on the WebKit (Safari) and Gecko (Firefox) engines.
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For Mobile Firefox, the menu is accessed by a tap-and-hold on any
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expression rendered by MathJax (this is Mobile Firefox’s standard
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method of triggering a contextual menu). In Mobile Safari, use a
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double-tap-and-hold (you may need to zoom in a bit to be able to
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accomplish this). This is the first step toward providing a better
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interface for mobile devices.</p>
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</div>
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<div class="section" id="improved-support-for-screen-readers">
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<h2>Improved support for screen readers<a class="headerlink" href="#improved-support-for-screen-readers" title="Permalink to this headline">¶</a></h2>
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<p>Some issues surrounding the use of screen readers and their
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interaction with MathPlayer have been resolved in MathJax v2.0. In
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particular, there are additional menu items that allow the user finer
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control over some aspects of MathJax’s interface that were interfering
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with some screen readers’ ability to properly identify the
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mathematics. Several stability issues with MathPlayer have also been
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addressed. In Internet Explorer when MathPlayer is installed, there
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is now a new contextual menu item to allow you to specify what events
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are handled by MathJax and what should be handled by MathPlayer. This
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gives you finer control over MathPlayer’s interaction with some screen
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readers.</p>
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</div>
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<div class="section" id="many-new-tex-additions-and-enhancements">
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<h2>Many new TeX additions and enhancements<a class="headerlink" href="#many-new-tex-additions-and-enhancements" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li>New <cite>mhchem</cite> chemistry extension (adds <tt class="docutils literal"><span class="pre">\ce</span></tt>, <tt class="docutils literal"><span class="pre">\cf</span></tt>, and <tt class="docutils literal"><span class="pre">\cee</span></tt> macros)</li>
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<li>New <cite>cancel</cite> extension (adds <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)</li>
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<li>New <cite>extpfeil</cite> extension (adds more stretchy arrows)</li>
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<li>New <cite>color</cite> extension (makes <tt class="docutils literal"><span class="pre">\color</span></tt> work as a switch, as in LaTeX).
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Adds <tt class="docutils literal"><span class="pre">\definecolor</span></tt>, other color models, LaTeX named colors,
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<tt class="docutils literal"><span class="pre">\colorbox</span></tt>, <tt class="docutils literal"><span class="pre">\fcolorbox</span></tt>, etc.</li>
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<li>New <cite>begingroup</cite> extension to allow macro definitions to be
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localized. Adds <tt class="docutils literal"><span class="pre">\begingroup</span></tt> and <tt class="docutils literal"><span class="pre">\endgroup</span></tt> for isolating macro
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declarations, and defines <tt class="docutils literal"><span class="pre">\let</span></tt>, <tt class="docutils literal"><span class="pre">\renewenvironment</span></tt>, <tt class="docutils literal"><span class="pre">\global</span></tt>, and
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<tt class="docutils literal"><span class="pre">\gdef</span></tt>.</li>
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<li>New <cite>enclose</cite> extension to give TeX access to <tt class="docutils literal"><span class="pre"><menclose></span></tt> elements.
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Adds <tt class="docutils literal"><span class="pre">\enclose{type}[attributes]{math}</span></tt> macro.</li>
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<li>New <cite>action</cite> extension to give TeX access to <tt class="docutils literal"><span class="pre"><maction></span></tt> elements.
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Adds <tt class="docutils literal"><span class="pre">\mathtip{math}{tip}</span></tt>, <tt class="docutils literal"><span class="pre">\texttip{math}{tip}</span></tt>, and
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<tt class="docutils literal"><span class="pre">\toggle{math1}{math2}...\endtoggle</span></tt> macros.</li>
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<li>New <tt class="docutils literal"><span class="pre">\mmToken{type}[attributes]{text}</span></tt> macro for producing <tt class="docutils literal"><span class="pre"><mo></span></tt>,
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<tt class="docutils literal"><span class="pre"><mi></span></tt>, <tt class="docutils literal"><span class="pre"><mtext></span></tt>, and other token MathML elements directly.</li>
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<li>New <tt class="docutils literal"><span class="pre">\bbox[color;attributes]{math}</span></tt> macro to add background color,
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padding, borders, etc.</li>
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<li>New <tt class="docutils literal"><span class="pre">\middle</span></tt> macro for stretchy delimiters between <tt class="docutils literal"><span class="pre">\left</span></tt> and <tt class="docutils literal"><span class="pre">\right</span></tt>.</li>
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<li>New <tt class="docutils literal"><span class="pre">\label</span></tt>, <tt class="docutils literal"><span class="pre">\ref</span></tt>, and <tt class="docutils literal"><span class="pre">\eqref</span></tt> macros for numbered equations.</li>
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<li>Better implementation of <tt class="docutils literal"><span class="pre">\not</span></tt> so it produces proper MathML when possible.</li>
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<li>Better implementation of <tt class="docutils literal"><span class="pre">\dots</span></tt> that selects <tt class="docutils literal"><span class="pre">\ldots</span></tt> or <tt class="docutils literal"><span class="pre">\cdots</span></tt>
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depending on the context.</li>
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<li>Better implementation of <tt class="docutils literal"><span class="pre">\cases</span></tt> that automatically uses <tt class="docutils literal"><span class="pre">\text</span></tt> on
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the second entry in each row.</li>
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<li>Safer implementation of <tt class="docutils literal"><span class="pre">\require</span></tt> that only allows loading from
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extensions directory.</li>
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<li>Allow <tt class="docutils literal"><span class="pre">\newcomand</span></tt> to provide a default parameter.</li>
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<li>Allow <tt class="docutils literal"><span class="pre">\\</span></tt> to take an optional argument that specifies additional
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space between lines.</li>
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<li>Allow <tt class="docutils literal"><span class="pre">\\</span></tt> to be used anywhere (to force a line break), not just in
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arrays.</li>
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<li>Allow optional alignment parameter for array, aligned, and gathered
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environments.</li>
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</ul>
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<p>See the <a class="reference internal" href="tex.html#tex-support"><em>TeX support</em></a> page for details on these
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extensions and macros.</p>
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</div>
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<div class="section" id="font-enhancements">
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<h2>Font enhancements<a class="headerlink" href="#font-enhancements" title="Permalink to this headline">¶</a></h2>
|
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<ul class="simple">
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<li>Work around for the OS X Lion STIX font problem.</li>
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<li>Support for STIX-1.1 fonts (detection of which version you have,
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and use data appropriate for that).</li>
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<li>New WOFF versions of the web fonts (smaller, so faster to
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download).</li>
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<li>Data for more stretchy characters in HTML-CSS output.</li>
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<li>Add support for Unicode planes 1 through 10 (not just the Math
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Alphabet block) in HTML-CSS output.</li>
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<li>Increased timeout for web fonts (since it was switching to image
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fonts too often, especially for mobile devices).</li>
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<li>Only switch to image fonts if the first web font fails to load (if
|
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we can access one, assume we can access them all).</li>
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<li>Allow <tt class="docutils literal"><span class="pre"><mtext></span></tt> elements to use the page font rather than MathJax
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fonts (optionally). This is controlled by the <tt class="docutils literal"><span class="pre">mtextFontInerhit</span></tt>
|
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configuration parameter for HTML-CSS and SVG output jax.</li>
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<li>Provide better control over the font used for characters that are
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not in the MathJax fonts.</li>
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<li>Allow Firefox to use web-based fonts when a local URL uses MathJax
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from the CDN (in the past it would force image fonts when that was
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not necessary).</li>
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</ul>
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</div>
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<div class="section" id="interface-improvements">
|
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<h2>Interface improvements<a class="headerlink" href="#interface-improvements" title="Permalink to this headline">¶</a></h2>
|
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<ul class="simple">
|
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<li>The MathJax contextual menu has been reorganized to make it easier
|
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to get the source view, and to control the parameters for
|
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MathPlayer in IE.</li>
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<li>The MathJax contextual menu is available in mobile devices (see
|
||
description above).</li>
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<li>Warning messages are issued if you switch renderers to one that is
|
||
inappropriate for your browser.</li>
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<li>MathJax now starts processing the page on the <tt class="docutils literal"><span class="pre">DOMContentLoaded</span></tt>
|
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event rather than the page <tt class="docutils literal"><span class="pre">onload</span></tt> event (this allows the
|
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mathematics to appear sooner).</li>
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<li>Native MathML output is now scaled to better match the surrounding
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||
font (like it is for HTML-CSS output).</li>
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<li>Better CSS styling for NativeMML output in Firefox in order to
|
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handle <tt class="docutils literal"><span class="pre">\cal</span></tt> and other fonts.</li>
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<li>MathML output now (optionally) includes class names to help mark
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special situations generated by the TeX input jax. (This lets the
|
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MathML from the Show Source menu item better reproduce the original
|
||
TeX output.)</li>
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<li>MathJax now loads the menu and zoom code (if they haven’t been
|
||
loaded already) after the initial typesetting has occured so that
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they will be available immediately when a user needs those
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features, but do not delay the initial typesetting of the
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mathematics.</li>
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<li>For the <cite>tex2jax</cite> preprocessor, the <tt class="docutils literal"><span class="pre">processClass</span></tt> can now be
|
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used to override the <tt class="docutils literal"><span class="pre">skipTags</span></tt> to force a tag that is usually
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skipped to have its contents be processed.</li>
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<li>The <cite>noErrors</cite> and <cite>noUndefined</cite> extensions can now be disabled via
|
||
a configuration option (since they are included in many of the
|
||
combined configuration files). See the <cite>noErrors</cite> and
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<cite>noUndefined</cite> sections of the <a class="reference internal" href="tex.html#tex-support"><em>TeX support</em></a> page for more information.</li>
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<li>There is a new <tt class="xref py py-meth docutils literal"><span class="pre">MathJax.Hub.setRenderer()</span></tt> function that can
|
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be used to switch the current renderer. See the <a class="reference internal" href="api/hub.html#api-hub"><em>MathJax Hub
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API</em></a> documentation for details.</li>
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<li>A user-defined macros is no longer overridden if an extension is
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loaded that redefines that macro.</li>
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<li>Improved web-font detection reliability.</li>
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</ul>
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</div>
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<div class="section" id="important-changes-from-previous-versions">
|
||
<span id="important-changes-2-0"></span><h2>Important changes from previous versions<a class="headerlink" href="#important-changes-from-previous-versions" title="Permalink to this headline">¶</a></h2>
|
||
<ul>
|
||
<li><p class="first">The default renderer for Firefox has been changed from <cite>NativeMML</cite> to
|
||
<cite>HTML-CSS</cite> (in those configurations that choose between the two).
|
||
The only browser that defaults to <cite>NativeMML</cite> is now IE with
|
||
MathPlayer installed. You can configure this to your liking using
|
||
the <a class="reference internal" href="options/MMLorHTML.html#configure-mmlorhtml"><em>MMLorHTML configuration options</em></a>.</p>
|
||
</li>
|
||
<li><p class="first"><cite>NativeMML</cite> output will now be selected in IE9 when MathPlayer is
|
||
present (since IE9 was released the same day as MathJax v1.1a, and
|
||
there had been problems with IE9 beta releases, we weren’t sure if
|
||
MathPlayer would work with the official release, and so did not
|
||
select NativeMML by default.)</p>
|
||
</li>
|
||
<li><p class="first">The performance improvements in IE8 and IE9 now make it unnecessary
|
||
to use a <tt class="docutils literal"><span class="pre"><meta></span></tt> tag to force IE7 emulation mode. In fact IE9 in
|
||
IE9 standards mode now runs faster than IE9 in IE7 standards mode,
|
||
and IE8 in IE8 standards mode is comparable to IE8 in IE7 standards
|
||
mode. We now recommend that you use</p>
|
||
<div class="highlight-html"><div class="highlight"><pre><span class="nt"><meta</span> <span class="na">http-equiv=</span><span class="s">"X-UA-Compatible"</span> <span class="na">content=</span><span class="s">"IE=edge"</span><span class="nt">></span>
|
||
</pre></div>
|
||
</div>
|
||
<p>to obtain the highest emulation mode available in IE, which
|
||
will be the fastest one for MathJax 2.0.</p>
|
||
</li>
|
||
<li><p class="first">The <cite>tex2jax</cite> preprocessor now balances braces when looking for the
|
||
closing math delimiter. That allows expressions like</p>
|
||
<div class="highlight-latex"><div class="highlight"><pre><span class="s">$</span><span class="nb">y </span><span class="o">=</span><span class="nb"> x^</span><span class="m">2</span><span class="nb"> </span><span class="nv">\hbox</span><span class="nb">{ when </span><span class="s">$</span>x > 2<span class="s">$</span><span class="nb">}</span><span class="s">$</span>
|
||
</pre></div>
|
||
</div>
|
||
<p>to be properly parsed as a single math expression rather than two
|
||
separate ones with unbalanced braces. The old behavior can be
|
||
obtained by setting <tt class="docutils literal"><span class="pre">balanceBraces</span></tt> to false in the <tt class="docutils literal"><span class="pre">tex2jax</span></tt>
|
||
block of your configuration. (See the <a class="reference internal" href="options/tex2jax.html#configure-tex2jax"><em>tex2jax configuration
|
||
options</em></a> for details.)</p>
|
||
</li>
|
||
<li><p class="first">If you are hosting your own copy of MathJax on your server, and
|
||
that copy is being used from pages in a different domain, you will
|
||
have set up the access control paramters for the font directory to
|
||
allow Firefox to access the font files properly. Since MathJax 2.0
|
||
includes fonts in WOFF format, you will need to include <tt class="docutils literal"><span class="pre">woff</span></tt> in
|
||
you access control declaration for the fonts. E.g., use</p>
|
||
<div class="highlight-python"><pre><FilesMatch "\.(ttf|otf|eot|woff)$">
|
||
<IfModule mod_headers.c>
|
||
Header set Access-Control-Allow-Origin "*"
|
||
</IfModule>
|
||
</FilesMatch></pre>
|
||
</div>
|
||
<p>in the <tt class="docutils literal"><span class="pre">.htaccess`</span> <span class="pre">file</span> <span class="pre">for</span> <span class="pre">the</span> <span class="pre">``Mathjax/fonts</span></tt> directory if you
|
||
are using the Apache web server. See <a class="reference internal" href="installation.html#cross-domain-linking"><em>Notes about shared
|
||
installations</em></a> for details.</p>
|
||
</li>
|
||
<li><p class="first">The <tt class="docutils literal"><span class="pre">\cases</span></tt> macro now properly places the second column in text
|
||
mode not math mode. In the past, one needed to use <tt class="docutils literal"><span class="pre">\text</span></tt> in
|
||
the second column to achieve the proper results; pages that did
|
||
this will still work properly in v2.0. Pages that took advantage
|
||
of the math mode in the second column will need to be adjusted.</p>
|
||
</li>
|
||
<li><p class="first">The <tt class="docutils literal"><span class="pre">\dots</span></tt> macro now produces <tt class="docutils literal"><span class="pre">\ldots</span></tt> or <tt class="docutils literal"><span class="pre">\cdots</span></tt> depending
|
||
on the context (in the past, <tt class="docutils literal"><span class="pre">\dots</span></tt> always produced <tt class="docutils literal"><span class="pre">\ldots</span></tt>).</p>
|
||
</li>
|
||
<li><p class="first">A one pixel padding has been added above and below HTML-CSS and SVG
|
||
output so that math on successive lines of a paragraph won’t bump
|
||
into each other.</p>
|
||
</li>
|
||
<li><p class="first">There is a new <cite>MathPlayer</cite> submenu of the <cite>Math Settings</cite> menu in
|
||
the MathJax contextual menu that allows the user to control what
|
||
events are passed on to MathPlayer. This allows better control for
|
||
those using assistive devices like screen readers. When menu
|
||
events are being passed on to MathPlayer, the MathJax menu can be
|
||
obtained by ALT-clicking on a typeset expression (so the user can
|
||
still access MathJax’s other features).</p>
|
||
</li>
|
||
<li><p class="first">In order to improve stability with IE when MathPlayer is installed,
|
||
MathJax now adds the namespace and object bindings that are needed
|
||
for MathPlayer at the time that Mathjax is first loaded, rather
|
||
than waiting for the <cite>NativeMML</cite> output jax to be loaded. Since
|
||
this is before the configuration information has been obtained,
|
||
this will happen regardless of whether the <cite>NativeMML</cite> output jax
|
||
is requested. This means that IE may ask the user to allow
|
||
MathPlayer to be used, and may show the MathPlayer splash dialog
|
||
even when MathPlayer is not in the end used by MathJax. Note that
|
||
this setup can only be performed if MathJax is loaded explicitly as
|
||
part of the initial web page; if it is injected into the page later
|
||
by adding a <tt class="docutils literal"><span class="pre"><script></span></tt> tag to the page dynamically, then
|
||
MathPlayer will be set up when the <cite>NativeMML</cite> jax is loaded as in
|
||
the past, and some stability issues may occur if events are passed
|
||
to MathPlayer.</p>
|
||
</li>
|
||
<li><p class="first">The MathJax typesetting is now started on <tt class="docutils literal"><span class="pre">DOMContentLoaded</span></tt>
|
||
rather than at the page <tt class="docutils literal"><span class="pre">onload</span></tt> event, when possible, so that
|
||
means MathJax may start typesetting the page earlier than in the
|
||
past. This should speed up typesetting one pages with lots of
|
||
images or side-bar content, for example.</p>
|
||
</li>
|
||
<li><p class="first">MathJax now attempts to determine whether the page’s <tt class="docutils literal"><span class="pre">onload</span></tt>
|
||
event had already occurred, and if it has, it does not try to wait
|
||
for the <tt class="docutils literal"><span class="pre">DOMContentLoaded</span></tt> or <tt class="docutils literal"><span class="pre">onload</span></tt> event before doing its
|
||
initial typeset pass. This means that it is no longer necessary to
|
||
call <tt class="docutils literal"><span class="pre">MathJax.Hub.Startup.onload()</span></tt> by hand if you insert MathJax
|
||
into the page dynamically (e.g., from a GreaseMonkey script).</p>
|
||
</li>
|
||
<li><p class="first">If the page URL includes a hash reference (a link to a particular
|
||
location within the page), MathJax v2.0 will jump to that location
|
||
after the page has finished typsetting. Since the size of the page
|
||
may have changed due to the mathematical typsetting, that location
|
||
may no longer be visible on screen, so MathJax moves there when it
|
||
is done with the initial typesetting. You can control this
|
||
behavior with the <tt class="docutils literal"><span class="pre">positionToHash</span></tt> parameter in the main section
|
||
of your configuration (see <a class="reference internal" href="options/hub.html#configure-hub"><em>core configuration options</em></a>).</p>
|
||
</li>
|
||
<li><p class="first">In the event that MathJax is not able to load the configuration file
|
||
you have specified in the script tag that loads <tt class="docutils literal"><span class="pre">MathJax.js</span></tt> via
|
||
<tt class="docutils literal"><span class="pre">config=filename</span></tt>, it will no longer issue the warning message
|
||
about a missing configuration. The configuration process changed
|
||
in v1.1, and that message was to help page maintainers update their
|
||
configurations, but it turns out that for users with slow network
|
||
connections, MathJax could time out waiting for the configuration
|
||
file and would issue the warning message in that case, even though
|
||
the page included the proper configuration. That should no longer
|
||
occur in MathJax v2.0.</p>
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
<div class="section" id="other-enhancements">
|
||
<h2>Other enhancements<a class="headerlink" href="#other-enhancements" title="Permalink to this headline">¶</a></h2>
|
||
<ul class="simple">
|
||
<li>Use prioritized lists of callbacks for StartupHooks, MessageHooks,
|
||
LoadHooks, PreProcessors, and pre- and post-filters on the input jax.</li>
|
||
<li>Updated operator dictionary to correspond to current W3C version.</li>
|
||
<li>Improved browser detection for Gecko and WebKit browsers.</li>
|
||
<li>Make prefilters and postfilters for all input jax, and make them into
|
||
hook lists rather than a single hook.</li>
|
||
<li>Use <tt class="docutils literal"><span class="pre"><mi></span></tt> rather than <tt class="docutils literal"><span class="pre"><mo></span></tt> for <tt class="docutils literal"><span class="pre">\sin</span></tt>, <tt class="docutils literal"><span class="pre">\cos</span></tt>, and other
|
||
such functions, for <tt class="docutils literal"><span class="pre">\mathop{\rm...}</span></tt> and <tt class="docutils literal"><span class="pre">\operatorname</span></tt>.</li>
|
||
<li>Add <tt class="docutils literal"><span class="pre">&ApplyFunction;</span></tt> after <tt class="docutils literal"><span class="pre">\mathop{}</span></tt> and other macros that are
|
||
functions (e.g., <tt class="docutils literal"><span class="pre">\sin</span></tt>).</li>
|
||
<li>The <tt class="docutils literal"><span class="pre">MathJax_Preview</span></tt> style has been moved from <tt class="docutils literal"><span class="pre">HTML-CSS/jax.js</span></tt> to
|
||
<tt class="docutils literal"><span class="pre">MathJax.js</span></tt>, since it is common to all output.</li>
|
||
<li>The <cite>autobold</cite> extension now uses <tt class="docutils literal"><span class="pre">\boldsymbol</span></tt> rather than
|
||
<tt class="docutils literal"><span class="pre">\bf</span></tt> so that it will affect more characters.</li>
|
||
<li>Make units of <tt class="docutils literal"><span class="pre">mu</span></tt>‘s be relative to the scriptlevel (as they
|
||
are supposed to be).</li>
|
||
<li>Reorganized the event-handling code to make it more modular and reduce
|
||
redundancy in the different output jax.</li>
|
||
<li>Modified CSS in <cite>NativeMML</cite> output for Firefox to use local copies of
|
||
the web fonts, if they are available.</li>
|
||
<li>Error messages now have the MathJax contextual menu.</li>
|
||
<li>Better handling of some characters not in the web fonts (remap to
|
||
locations where they exist, when possible).</li>
|
||
<li>Better choice of accent characters in some cases.</li>
|
||
<li>Better handling of pseudo-scripts (like primes).</li>
|
||
<li>Better sizing of characters introduced by <tt class="docutils literal"><span class="pre">\unicode{}</span></tt>, or
|
||
otherwise outside of the fonts known to MathJax.</li>
|
||
<li>Provide a new extension to handle tagged equations better in
|
||
<cite>HTML-CSS</cite> output when there are floating elements that might
|
||
reduce the area available to displayed equations. (See the
|
||
HTML-CSS extensions section of the <a class="reference internal" href="output.html#output-formats"><em>output formats</em></a> documentation for detais.)</li>
|
||
<li>Use a text font for <tt class="docutils literal"><span class="pre">\it</span></tt> rather than the math italics, so
|
||
spacing is better.</li>
|
||
<li>Handle italic correction better in <cite>HTML-CSS</cite> output</li>
|
||
<li>Handle <tt class="docutils literal"><span class="pre">href</span></tt> attributes better, especially when on <tt class="docutils literal"><span class="pre"><math></span></tt>
|
||
elements.</li>
|
||
<li>Allow <tt class="docutils literal"><span class="pre">\sqrt\frac{}{}</span></tt> without producing an error.</li>
|
||
</ul>
|
||
</div>
|
||
<div class="section" id="other-bug-fixes">
|
||
<h2>Other bug fixes<a class="headerlink" href="#other-bug-fixes" title="Permalink to this headline">¶</a></h2>
|
||
<ul class="simple">
|
||
<li>MathPlayer setup changed to prevent crashes.</li>
|
||
<li>Moved remapping of <tt class="docutils literal"><span class="pre"><mo></span></tt> contents to the output jax so that the
|
||
original contents aren’t changed.</li>
|
||
<li>Don’t combine <tt class="docutils literal"><span class="pre">mathvariant</span></tt> with <tt class="docutils literal"><span class="pre">fontstyle</span></tt> or <tt class="docutils literal"><span class="pre">fontweight</span></tt>
|
||
(as per the MathML specification).</li>
|
||
<li>Isolate non-standard attributes on MathML elements so that they don’t
|
||
interfere with the inner workings of MathJax.</li>
|
||
<li>Properly handle width of border and padding in merrors in <cite>HTML-CSS</cite>
|
||
output.</li>
|
||
<li>Properly handle lower-case Greek better.</li>
|
||
<li>Process weight and style of unknown characters properly.</li>
|
||
<li>Fixed spacing problems with <tt class="docutils literal"><span class="pre">\cong</span></tt> in MathJax web fonts .</li>
|
||
<li>Choose better sizes for <tt class="docutils literal"><span class="pre">\widehat</span></tt> and <tt class="docutils literal"><span class="pre">\widetilde</span></tt></li>
|
||
<li>Fixed problem with detecting em/ex sizes when uses in mobile devices
|
||
with small screen widths.</li>
|
||
<li>Fixed MathML output when dimensions of <tt class="docutils literal"><span class="pre">mu</span></tt>‘s are used in TeX input.</li>
|
||
<li>Better handling of table borders from TeX.</li>
|
||
<li>Fixed some problems with table widths and heights, and spacing.</li>
|
||
<li>Better handling of colored backgrounds in <cite>HTML-CSS</cite> output.</li>
|
||
<li>Handle border and padding CSS styles better in <cite>HTML-CSS</cite> output.</li>
|
||
<li>Fixed multline environment to put tags on bottom row when
|
||
<tt class="docutils literal"><span class="pre">TagSide</span></tt> is set to <tt class="docutils literal"><span class="pre">right</span></tt>.</li>
|
||
<li>Force reflow after equations are typeset so that some rendering
|
||
problems in tables are corrected in Firefox and WebKit browsers.</li>
|
||
<li>Fixed a number of bugs with the size of zoom boxes and the size of their
|
||
content.</li>
|
||
<li>Have equations with tags zoom into a full-width zoom box to
|
||
accommodate the tag.</li>
|
||
<li>Fixed positioning problem with zoom boxes in NativeMML mode.</li>
|
||
<li>Don’t allow mouse events on zoomed math.</li>
|
||
<li>Fixed <tt class="docutils literal"><span class="pre">MathJax.Hub.getJaxFor()</span></tt> and <tt class="docutils literal"><span class="pre">MathJax.Hub.isJax()</span></tt> to
|
||
properly handle elements that are part of an output jax’s output
|
||
(in particular, you can find the element jax from any DOM element
|
||
in the output).</li>
|
||
<li>Fixed a number of font anomalies (problems in the data files).</li>
|
||
<li>Fixed problem where <tt class="docutils literal"><span class="pre"><mspace></span></tt> with a background color would not
|
||
always overlay previous items.</li>
|
||
<li>Fixed a problem with colored <tt class="docutils literal"><span class="pre"><mspace></span></tt> elements being too tall in
|
||
IE/quirks mode.</li>
|
||
<li>Fixed problem where <tt class="docutils literal"><span class="pre"><mtable></span></tt> with <tt class="docutils literal"><span class="pre">equalrows="true"</span></tt> would
|
||
not produce equal height rows.</li>
|
||
<li>Allow <tt class="docutils literal"><span class="pre"><mpadded></span></tt> background color to be specified exactly (i.e.,
|
||
without the 1px padding) when one of its dimensions is given
|
||
explicitly (or there is no content).</li>
|
||
<li>Avoiding flicker problem with hover zoom trigger in Firefox.</li>
|
||
<li>Fix <tt class="docutils literal"><span class="pre">\unicode</span></tt> bug with font names that include spaces.</li>
|
||
<li>Remove internal multiple spaces in token elements as per the MathML
|
||
specification.</li>
|
||
<li>Work around HTML5 removing namespaces, so that <tt class="docutils literal"><span class="pre">xmlns:xlink</span></tt>
|
||
becomes <tt class="docutils literal"><span class="pre">xlink</span></tt> with no namespace, which confuses the XML parsers.</li>
|
||
<li>Fix <tt class="docutils literal"><span class="pre">MathJax.Message.Set()</span></tt> and <tt class="docutils literal"><span class="pre">MathJax.Message.Clear()</span></tt> so
|
||
that a delay of 0 is properly handled.</li>
|
||
<li>Produce better MathML for <tt class="docutils literal"><span class="pre">\bmod</span></tt>, <tt class="docutils literal"><span class="pre">\mod</span></tt>, and <tt class="docutils literal"><span class="pre">\pmod</span></tt>.</li>
|
||
<li>Don’t allow Safari/Windows to use STIX fonts since it can’t access
|
||
characters in Plane1 (the mathematical alphabets).</li>
|
||
<li>Fix <tt class="docutils literal"><span class="pre">\thickapprox</span></tt> to use the correct glyph in <cite>HTML-CSS</cite> output
|
||
with MathJax web fonts.</li>
|
||
<li>Make style attributes work on <tt class="docutils literal"><span class="pre"><mstyle></span></tt> elements.</li>
|
||
<li>Better handling of border and padding on MathML elements in
|
||
<cite>HTML-CSS</cite> output.</li>
|
||
<li>Fixed error with size of <tt class="docutils literal"><span class="pre">\:</span></tt> space.</li>
|
||
<li>Allow delimiter of <tt class="docutils literal"><span class="pre">.</span></tt> on <tt class="docutils literal"><span class="pre">\genfrac</span></tt> (it was accidentally rejected).</li>
|
||
<li>Handle AMSmath control sequences with stars better (<tt class="docutils literal"><span class="pre">\cs{*}</span></tt> no longer
|
||
counts as <tt class="docutils literal"><span class="pre">\cs*</span></tt>).</li>
|
||
<li>Fixed wrong character number in stretchy data for <cite>U+221A</cite>.</li>
|
||
<li>Fixed <tt class="docutils literal"><span class="pre"><annotation-xml></span></tt> to use the proper scaling in <cite>HTML-CSS</cite>
|
||
output.</li>
|
||
<li>Fixed a problem with combining characters when they are used as
|
||
accents.</li>
|
||
<li>Fixed a problem in Firefox with <tt class="docutils literal"><span class="pre">\mathchoice</span></tt> when the contents have
|
||
negative width.</li>
|
||
<li>TeX input jax no longer incorrectly combines <tt class="docutils literal"><span class="pre"><mo></span></tt> elements that have
|
||
different variants, styles, classes, or id’s.</li>
|
||
<li>Fixed the <tt class="docutils literal"><span class="pre">scriptlevel</span></tt> when <tt class="docutils literal"><span class="pre"><munderover></span></tt> has base with
|
||
<tt class="docutils literal"><span class="pre">movablelimits="true"</span></tt> in non-display mode.</li>
|
||
<li>Fixed typo in implementation of <tt class="docutils literal"><span class="pre">SimpleSUPER</span></tt>.</li>
|
||
<li>Fixed typo in self-closing flag for <tt class="docutils literal"><span class="pre"><mprescript></span></tt> tag.</li>
|
||
<li>Prevent infinite loop if one of the jax fails to load (due to failure
|
||
to compile or timeout waiting for it to load).</li>
|
||
<li>Fixed a whitespace issue in token elements with IE/quirks mode in
|
||
the <cite>MathML</cite> input jax.</li>
|
||
<li>Make sure height is above depth when making spaces and rules in
|
||
<cite>HTML-CSS</cite> and <cite>SVG</cite> output.</li>
|
||
<li>Fixed <cite>HTML-CSS</cite> tooltip to be work properly when a restart occurs
|
||
within the tooltip.</li>
|
||
<li>Fixed problem with size of colored backgrounds on <tt class="docutils literal"><span class="pre"><mo></span></tt> in some
|
||
circumstances in <cite>HTML-CSS</cite> output.</li>
|
||
<li>Make <tt class="docutils literal"><span class="pre">\ulcorner</span></tt>, etc. use more approprate unicode positions, and remap
|
||
those positions to the locations in the MathJax web fonts.</li>
|
||
</ul>
|
||
</div>
|
||
<div class="section" id="some-technical-changes">
|
||
<h2>Some technical changes<a class="headerlink" href="#some-technical-changes" title="Permalink to this headline">¶</a></h2>
|
||
<ul class="simple">
|
||
<li>Break the processing phase into two separate phases to do input
|
||
processing separately from output processing (they used to be
|
||
interleaved). This makes it easier to implement forward references
|
||
for the <tt class="docutils literal"><span class="pre">\ref</span></tt> macro.</li>
|
||
<li>Make <tt class="docutils literal"><span class="pre">Font</span> <span class="pre">Preference</span></tt> menu honor the <tt class="docutils literal"><span class="pre">imageFont</span></tt> setting.</li>
|
||
<li>Changed the name of the preview filter commands to <tt class="docutils literal"><span class="pre">previewFilter</span></tt>
|
||
in all preprocessors.</li>
|
||
<li>Make <tt class="docutils literal"><span class="pre">^</span></tt> and <tt class="docutils literal"><span class="pre">_</span></tt> be stretchy even though that isn’t in the W3C
|
||
dictionary.</li>
|
||
<li>Fixed <cite>HTML-CSS</cite> output problem when a multi-character token element has
|
||
characters taken from multiple fonts.</li>
|
||
<li>Force message text to be black in FontWarnings and configuration
|
||
warnings.</li>
|
||
<li>Added <tt class="docutils literal"><span class="pre">Find()</span></tt> and <tt class="docutils literal"><span class="pre">IndexOf()</span></tt> commands to menus to locate menu items.</li>
|
||
<li>Added menu signals for post/unpost and activation of menu items.</li>
|
||
<li>Added signals for typesetting of unknown characters.</li>
|
||
<li>Added signals for zoom/unzoom.</li>
|
||
<li>Added More signals for error conditions.</li>
|
||
<li>Allow preferences to select MathML output for Safari with late enough
|
||
version.</li>
|
||
<li>Improved <cite>About MathJax</cite> box.</li>
|
||
<li>Have <cite>tex2jax</cite> handle empty delimiter arrays and don’t scan page if
|
||
there is nothing to look for.</li>
|
||
<li>Make delay following a <cite>processing</cite> message configurable and lengthen
|
||
it to make browser more responsive during typesetting.</li>
|
||
<li>Make thin rules be in pixels to try to improve results in IE
|
||
(disappearing division lines).</li>
|
||
<li>Mark all output elements as <tt class="docutils literal"><span class="pre">isMathJax</span></tt>, so it can be used to identify
|
||
what elements are part of mathematical output.</li>
|
||
<li>Force MathZoom and MathMenu to wait for the <tt class="docutils literal"><span class="pre">Begin</span> <span class="pre">Styles</span></tt> message
|
||
before inserting their styles so when they are included in the
|
||
combined files, the author can still configure them.</li>
|
||
<li>Add default id’s to the jax base object classes.</li>
|
||
<li>Mark top-level math element as having a <tt class="docutils literal"><span class="pre">texError</span></tt> when it is one (to
|
||
make it easier to recognize).</li>
|
||
<li>Have <tt class="docutils literal"><span class="pre">Update()</span></tt> method ask ElementJax to determine if it needs updating
|
||
(which in turn asks the associated input jax).</li>
|
||
<li>Make <tt class="docutils literal"><span class="pre">Remove()</span></tt> work for just clearing output (without detaching) if
|
||
desired.</li>
|
||
<li>Have ElementJax store input and output jax ID’s rather than pointers
|
||
(to help avoid circular references for cleanup purposes).</li>
|
||
<li>Move input/output jax and preprocessor registries from <tt class="docutils literal"><span class="pre">Hub.config</span></tt> to
|
||
Hub itself (they are not user configurable through <tt class="docutils literal"><span class="pre">Hub.Config</span></tt>, and so
|
||
even though they are configurations, they don’t belong there).</li>
|
||
<li>Make sure embelished large ops are type <tt class="docutils literal"><span class="pre">OP</span></tt> not <tt class="docutils literal"><span class="pre">ORD</span></tt> to get spacing
|
||
right.</li>
|
||
<li>Added <tt class="docutils literal"><span class="pre">MathJax.HTML.getScript()</span></tt> to get the contents of a script (needed
|
||
since it works differently in different browsers).</li>
|
||
<li>Move code that prevents numbers from being treated as a unit for
|
||
super- and subscripts to the super- and subscript routine in the
|
||
<cite>TeX</cite> input jax (prevents making changes to <tt class="docutils literal"><span class="pre">\text{}</span></tt>,
|
||
<tt class="docutils literal"><span class="pre">\hbox{}</span></tt>, <tt class="docutils literal"><span class="pre">\href{}</span></tt>, etc.).</li>
|
||
<li>Make <cite>mml2jax</cite> work better with IE namespaces (IE9 no longer seems to
|
||
list the <tt class="docutils literal"><span class="pre">xmlns</span></tt> entries on the <tt class="docutils literal"><span class="pre"><html></span></tt> element).</li>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
|
||
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<div class="sphinxsidebar">
|
||
<div class="sphinxsidebarwrapper">
|
||
<h3><a href="index.html">Table Of Contents</a></h3>
|
||
<ul>
|
||
<li><a class="reference internal" href="#">What’s New in MathJax v2.0</a><ul>
|
||
<li><a class="reference internal" href="#major-speed-improvement-for-html-css-output-particularly-in-ie">Major speed improvement for HTML-CSS output, particularly in IE</a></li>
|
||
<li><a class="reference internal" href="#reduced-flickering-during-typsetting">Reduced flickering during typsetting</a></li>
|
||
<li><a class="reference internal" href="#automatic-equation-numbering-of-tex-formulas">Automatic equation numbering of TeX formulas</a></li>
|
||
<li><a class="reference internal" href="#automatic-line-breaking-of-long-displayed-equations">Automatic line breaking of long displayed equations</a></li>
|
||
<li><a class="reference internal" href="#new-asciimath-input-jax-and-svg-output-jax">New AsciiMath input jax and SVG output jax</a></li>
|
||
<li><a class="reference internal" href="#new-combined-configuration-files">New combined configuration files</a></li>
|
||
<li><a class="reference internal" href="#mathjax-contextual-menu-now-available-on-mobile-devices">MathJax contextual menu now available on mobile devices</a></li>
|
||
<li><a class="reference internal" href="#improved-support-for-screen-readers">Improved support for screen readers</a></li>
|
||
<li><a class="reference internal" href="#many-new-tex-additions-and-enhancements">Many new TeX additions and enhancements</a></li>
|
||
<li><a class="reference internal" href="#font-enhancements">Font enhancements</a></li>
|
||
<li><a class="reference internal" href="#interface-improvements">Interface improvements</a></li>
|
||
<li><a class="reference internal" href="#important-changes-from-previous-versions">Important changes from previous versions</a></li>
|
||
<li><a class="reference internal" href="#other-enhancements">Other enhancements</a></li>
|
||
<li><a class="reference internal" href="#other-bug-fixes">Other bug fixes</a></li>
|
||
<li><a class="reference internal" href="#some-technical-changes">Some technical changes</a></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
|
||
<h4>Previous topic</h4>
|
||
<p class="topless"><a href="community.html"
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||
title="previous chapter">The MathJax Community</a></p>
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Enter search terms or a module, class or function name.
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