## January 1, 2004

### itex2MML Plugin Update

A minor update to the itex2MML executable, used in my plugin. I added a few more MathML entities.

\dagger
&dagger;
\ddagger
&ddagger;
\cap (=\intersection)
&cap;
\bigcap (=\Intersection)
&Intersection;

Thanks to Urs Schrieber and Antonio Luis Martínez Rico.

(Antonio Luis had a few more changes, but I think he was either working from an old version of the executable, or trying to work around some bugs in Mozilla that I’m not seeing here. I hope he’ll correct me if I missed something.)

Posted by distler at January 1, 2004 1:51 PM

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### Re: itex2MML Plugin Update

Thanks for making daggers available, that should enliven the discussion! ;-)

I see over at the Coffee Table that Eric has tried to use $\star$, which was not recognized. Of course we could use $*$ instead of ☆ (&star;). On the other hand I know that Eric very strongly feels that it is the Hodge star not the Hodge asterisk ;-)

Posted by: Urs Schreiber on January 2, 2004 12:56 PM | Permalink | Reply to this

### \star

There is, indeed, a MathML named entity, &star;. But it’s a 5-pointed white star (Unicode character &#9734; ☆), which is probably not what he wanted. There’s also &starf;, which is a black (“filled”) 5-pointed star (Unicode character &#9733; ★), which is closer to the character designated by the LaTeX \star.

But then there’s also &sstarf; (Unicode character &8902; ⋆), which — I think — is the one you really want.

Why don’t you edit his comment (and re-save your post) to see which one you think is correct.

Posted by: Jacques Distler on January 2, 2004 1:31 PM | Permalink | Reply to this

### Re: itex2MML Plugin Update

Any five-point star would be fine I guess. I personally use the LaTeX \star. I hesitate to use \asterisk simply because occasionally you deal with C-star algebras and Hodge stars together and I like to use \asterisk for the star in C-star :) I think it is common to use \asterisk for C-star algebras.
I’ve seen authors using \star for Hodge star, so it is not very unusual.

Eric

Posted by: Eric on January 2, 2004 2:25 PM | Permalink | Reply to this

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