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.. _whats-new-2.2:
**************************
What's New in MathJax v2.2
**************************
MathJax v2.2 includes a number of new features, as well a more than 40
important bug fixes.
Features:
=========
* Localization of MathJax user interface. (German and French
translations currently available in addition to English.)
* Commutative diagrams via the ``AMScd`` extension.
* 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.)
* Improve MathML rendering for ``mfenced`` and ``mlabeldtr`` elements in
browsers that don't support them well.
* Experimental Content MathML support.
TeX input:
==========
* Avoid potential infinite loops in ``\mathchoice`` constructs.
(`Issue #373 <https://github.com/mathjax/MathJax/issues/373>`_)
* Add error message when an evironment closes with unbalanced braces.
(`Issue #454 <https://github.com/mathjax/MathJax/issues/454>`_)
* Allow spaces in the RGB, rgb, and greyscale color specifications.
(`Issue #446 <https://github.com/mathjax/MathJax/issues/446>`_)
* Process ``\$`` in ``\text`` arguements. (ssue #349)
* Preserve spaces within ``\verb`` arguments. (`Issue #381 <https://github.com/mathjax/MathJax/issues/381>`_)
* Make ``\smallfrown`` and ``\smallsmile`` come from the variant font so
they have the correct size. (`Issue #436 <https://github.com/mathjax/MathJax/issues/436>`_)
* Make the input TeX jax generate mrow plus mo elements rather than
mfenced elements (for better compatibility with native MathML
implementations).
* Make ``\big`` 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. (`Issue #350 <https://github.com/mathjax/MathJax/issues/350>`_)
* Convert true and false attributes to booleans in ``\mmlToken``.
(`Issue #451 <https://github.com/mathjax/MathJax/issues/451>`_)
AsciiMath:
==========
* Rename AsciiMath config option from ``decimal`` to ``decimalsign``.
(`Issue #384 <https://github.com/mathjax/MathJax/issues/384>`_)
Fonts:
======
* Add Greek Delta to SVG fonts. (`Issue #347 <https://github.com/mathjax/MathJax/issues/347>`_)
* Fix monospace space character to be the same width as the other
monospace characters. (`Issue #380 <https://github.com/mathjax/MathJax/issues/380>`_)
* Better handling of unknown or invalid values for mathvariant or
values not supported by generic fonts.
MathML:
=======
* Handle empty child nodes better.
* Improved MathML rendering for ``mfenced`` and ``mlabeldtr`` elements.
* Ignore ``linebreak`` attribute on ``mspace`` when dimensional attributes are
set. (`Issue #388 <https://github.com/mathjax/MathJax/issues/388>`_)
* Implement ``rowspacing``/``columnspacing`` for ``mtable`` in native MathML
output in Firefox using cell padding.
HTML-CSS/SVG output
===================
* Allow ``\color`` to override link color in SVG output. (`Issue #427
<https://github.com/mathjax/MathJax/issues/427>`_)
* 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). (`Issue #428 <https://github.com/mathjax/MathJax/issues/428>`_)
* Fix a processing error with elements that contain hyperlinks.
(`Issue #364 <https://github.com/mathjax/MathJax/issues/364>`_)
* Try to isolate MathJax from CSS transitions. (`Issue #449 <https://github.com/mathjax/MathJax/issues/449>`_)
* 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. (`Issue #443 <https://github.com/mathjax/MathJax/issues/443>`_)
* Prevent error when math contains characters outside of the MathJax
fonts. (`Issue #441 <https://github.com/mathjax/MathJax/issues/441>`_)
* Make final math size be in relative units so that it prints even if
print media has a different font size. (`Issue #386 <https://github.com/mathjax/MathJax/issues/386>`_)
* Don't scale line thickness for ``menclose`` elements (so lines won't
disapear in scripts). (`Issue #414 <https://github.com/mathjax/MathJax/issues/414>`_)
* Fix ``fontdata.js`` to allow it to be included in combined configuration
files. (`Issue #413 <https://github.com/mathjax/MathJax/issues/413>`_)
* Makes math-based tooltips be spaced properly when rendered. (`Issue
#412 <https://github.com/mathjax/MathJax/issues/412>`_)
* Fix Math Processing Error when ``&ApplyFunction``; is used without
preceeding content. (`Issue #410 <https://github.com/mathjax/MathJax/issues/410>`_)
* Fix a problem using an empty table as a super- or subscript.
(`Issue #392 <https://github.com/mathjax/MathJax/issues/392>`_)
* Handle the case where selection in maction is invalid or out of
range. (`Issue #365 <https://github.com/mathjax/MathJax/issues/365>`_)
* Add a pixel extra around the SVG output to accommodate antialiasing
pixels. (`Issue #383 <https://github.com/mathjax/MathJax/issues/383>`_)
* Fix Math Processing Error for ``msubsup``/``msub``/``msup`` elements.
* Limit the number of repetition to build stretchy chars in HTML-CSS.
(`Issue #366 <https://github.com/mathjax/MathJax/issues/366>`_)
* Fix Math Processing Error in ``mmultiscripts``/``menclose``. (`Issue
362) <https://github.com/mathjax/MathJax/issues/62)>`_
Interface:
==========
* Make zoom work properly with expressions that have full width (e.g.,
tagged equations).
* Handle zooming when it is inside a scrollable element when it is not
the main body element. (`Issue #435 <https://github.com/mathjax/MathJax/issues/435>`_)
* Update math processing errors to include original format and actual
error message in the "Show Math As" menu. (`Issue #450 <https://github.com/mathjax/MathJax/issues/450>`_)
* Add a Help dialog box (rather than link to mathjax.org).
* Remove the v1.0 configuration warning. (`Issue #445 <https://github.com/mathjax/MathJax/issues/445>`_)
* Trap errors while saving cookies (and go on silently). (`Issue #374
<https://github.com/mathjax/MathJax/issues/374>`_)
* Fix typo in IE warning message. (`Issue #397 <https://github.com/mathjax/MathJax/issues/397>`_)
* Use UA string sniffing for identifying Firefox and handle detecting
mobile versions better.
* Make MathML source show non-BMP characters properly. (`Issue #361 <https://github.com/mathjax/MathJax/issues/361>`_)
* Make tool tips appear above zoom boxes. (`Issue #351 <https://github.com/mathjax/MathJax/issues/351>`_)
Miscellaneous:
==============
* Allow preview for preprocessors to be just a plain string (rather
than requiring ``[string]``).
* Remap back-tick to back-quote. (`Issue #402 <https://github.com/mathjax/MathJax/issues/402>`_)
* Handle script tags in ``HTML.Element()`` so they work in IE.
(`Issue #342 <https://github.com/mathjax/MathJax/issues/342>`_)
* Add the ``MathJax_Preview`` class to the ``ignoreClass`` list so that
``tex2jax`` and ``asciimath2jax`` won't process previews accidentally.
(`Issue #378 <https://github.com/mathjax/MathJax/issues/378>`_)
* Fix processing errors with various table and menclose attributes.
(`Issue #367 <https://github.com/mathjax/MathJax/issues/367>`_)
* Use ``hasOwnProperty()`` when checking file specification objects
(prevents problems when ``Object.prototype`` has been modified).
(`Issue #352 <https://github.com/mathjax/MathJax/issues/352>`_)
|
