W3C home > Mailing lists > Public > www-math@w3.org > December 2006

Re: Profiling and certificates for MathML. Avoiding imitators

From: William F Hammond <hammond@csc.albany.edu>
Date: Wed, 20 Dec 2006 12:39:36 -0500
To: <www-math@w3.org>
Message-ID: <i7ejqu1n6v.fsf@hilbert.math.albany.edu>

<juanrgonzaleza@canonicalscience.com> writes in part:

> ...  but continues generating redundant <mrows> in <mfrac>, <msup> ...

Yes, Mozilla discourages redundant mrows; but, no, they do not cause
real harm, and they are sometimes a necessary side effect of automatic
translation from an author-level markup to XHTML+MathML.

> Invisible times continues being represented by justaposition.

This is a controversial matter; please do not pretend otherwise.

In mathematics juxtaposition usually has a default meaning as an
operation that is context-dependent.

With presentation markup it is a matter for the author (and
the editor) to settle so long as the document is valid.

If an author does not want to use &invisibleTimes, the effect
of labeling his/her markup wrong is to drive him/her away from
placing XHTML+MathML content on the web.  Is that what we want?

Finally, one should observe that "mistakes" in the output of a
translating program are not necessarily the fault of that program;
they may be the result of quirky or incorrect input.

                                    -- Bill
Received on Wednesday, 20 December 2006 17:40:02 UTC

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