Re: lm otf math

[Hans Hagen <pragma@wxs.nl>]

On 12-5-2011 8:18, George N. White III wrote:
> On Thu, May 12, 2011 at 11:43 AM, Hans Hagen<pragma@wxs.nl>  wrote:
>
>> On 12-5-2011 3:42, Aditya Mahajan wrote:
>>>
>>> On Thu, 12 May 2011, Martin Schröder wrote:
>>>
>>>> 2011/5/12 Hans Hagen<pragma@wxs.nl>:
>>>>>
>>>>> \starttext
>>>>>    $e=mc^2$
>>>>
>>>> Shouldn't that be something like e=mc²?
>>>
>>> No. IIRC, we had a discussion sometime ago whether we should treat ¹,²,
>>> etc as
>>> valid superscripts in math mode, and decided against it.
>>
>> how about an article (for the maps/tugboat) about good math coding practices
>> in these unicode times
>
> Or a new book: "Joy of ConTeXt" (for those who remember Spivak's "Joy of TeX").
>
> Authors are going to provide tex sorce files that use e=mc² (and
> unless someone does SEO
> to ensure they find the afore mentioned article) will consider it a
> bug when it doesn't work.
> Other sources of confusion come when authors use a fixed font to edit
> and try to match
> glyphs (using Windows CharMap or BabelMap): you get 45˚N when it
> should be 45°N),
> or use auctex+preview in which $e=mc^2$ gives $e=mc^²$ in the emacs window.
>
> There is a need for a TeXCharTool that does BabelMap stuff but
> provides annotations describing appropriate TeX usages and can be
> searched using legacy TeX markup (e.g., to assist with
> converting old docs to unicode).

The next beta will deal with Schröder math input encoding:

$e=mc²$ $x²ᶞ$ $x⁽²⁺²⁼²⁺²⁾$ $x₅²$

However, as we don't like it too much, at the end of a run mkiv will 
report the replacements so that an author can consider fixing it. It 
might become optional at some point (makes a nice topic for the context 
conference).

Hans

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