# Re: "Presentation of empty mi element"

From: Neil Soiffer <NeilS@dessci.com>
Date: Mon, 15 Apr 2013 14:34:05 -0700
Message-ID: <CAESRWkArvOMHASEiEiiScrNQCMbRO4rguQ32MXb1uUgsz=K7pQ@mail.gmail.com>
To: Frédéric WANG <fred.wang@free.fr>
Cc: "www-math@w3.org" <www-math@w3.org>
MathPlayer doesn't add any space, so it is good to hear that the major
renderers will do the same thing.  Having said that, I don't believe the
spec makes any requirement as to what should happen, although it would be
strange to render empty content with space.

Neil

On Mon, Apr 15, 2013 at 7:03 AM, Frédéric WANG <fred.wang@free.fr> wrote:

> Firefox's behavior has been changed to match MathJax's one and so there
> should be no space between mi elements. Thus that seems to be a bug in
> Firefox about how empty mi's are handled.
>
>
> On 15/04/2013 14:54, David Carlisle wrote:
>
>> On 15/04/2013 12:50, raghunandana wrote:
>>
>>>
>>> <mi>T</mi> <mi></mi> <mi>e</mi>
>>>
>>> With the above content, firefox leaves space between elements, "T
>>> e", however mathjax renders it as "Te", with no space between them.
>>> Specification does not say anything on how to display the content
>>> when empty mi is present.
>>>
>>> Specification allows for empty mi element to be present,
>>>
>>> "An|mi|element with no content is allowed;|<mi></mi>|might, for
>>> example, be used by an "expression editor" to represent a location
>>> in a MathML expression which requires a "term" (according to
>>> conventional syntax for mathematics) but does not yet contain one."
>>>
>>>
>>
> --
> Frédéric Wang
> maths-informatique-jeux.com/**blog/frederic<http://maths-informatique-jeux.com/blog/frederic>
>
>
>

Received on Monday, 15 April 2013 21:34:32 UTC

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