Re: How to use \subsetneqq in Org-mode?

[杨劲松 <shannleon@gmail.com>]

But org mode use mathjax to generate HTML output that contains math Fumulas
and mathjax does support that symbol in its AMSsymbol extension. What's
different the mathjax org mode using and the 'MathJax' ?

On Sun, Dec 3, 2017, 8:44 AM Alexis <flexibeast@gmail.com> wrote:

>
> 杨劲松 <shannleon@gmail.com> writes:
>
> > Thank you Alexis and Kaushal. I might mislead you.
> >
> > I am writing some short articles which includes a lot of Math
> > formula. So I include LaTeX command here and there like $A
> > \subset
> > B$. Most symbol display OK when exporting to HTML. But the
> > \subsetneqq
> > not. Same article, Html couldn't handle $\subsetneqq$ and
> > display
> > "Undefined control sequence \subsetneqq" in final render. But
> > display
> > in PDF output correctly.
>
> Yes, because as we noted, \subsetneqq is not a LaTeX command that
> Org
> understands. When exporting to PDF, your article gets processed by
> a
> LaTeX program (e.g. pdflatex; but it might be something different
> on
> your system), which understands what \subseqneqq is, so it's able
> to
> produce the correct output in the PDF. But when exporting to HTML,
> as
> explained by Kaushal, exporting uses a list built-in to Org (which
> you
> can view with M-x org-entities-help) in order to produce HTML
> output. It
> seems most of the math symbols you use are in that list, but
> \subsetneqq
> is not, so you don't get the correct symbol in your output.
>
> Thus, Kaushal suggested that you send an email to the Org people
> asking
> if \subsetneqq can be added to the list. In the meantime, however,
> you
> can simply add the symbol directly into your article, by using the
> method i described; instead of typing \subsetneqq, type:
>
>     C-x 8 RET SUBSET OF ABOVE NOT EQUAL
>
> which will insert the symbol into your article. Whether it
> displays in
> your Emacs buffer depends on whether the font you use in Emacs
> includes
> that symbol. Also note that whether it displays in a browser will
> depend
> on whether the user viewing it is using a font that includes that
> symbol.
>
> Hope that makes things clearer!
>
>
> Alexis.
>