After basic setup of the blog according to GitHub and Jekyll, some other features can be added as follows:
mathjax and here (note: it seems that markdown: redcarpet also works)
like this
this $sin(x^2)$, or this numbered equation $(\ref{eq:theeq})$ with reference
\begin{equation}\label{eq:theeq}
\mathbf{X}_{n,p} = \mathbf{A}_{n,k} \mathbf{B}_{k,p}
\end{equation}
code highlighting (note: pygmentize.exe locates under Python\Scripts, also check this incompatibility problem between pygments and MathJax)
like this
s = "Python syntax highlighting"
print s
redcarpet markdown configuration and here (note: “superscript” in the redcarpet extension seems to be incompatible with mathjax, so I removed that from _config.yml)
GitHub doesn’t support redcarpet now, switching to kramdown, following this and this.
And some other notes:
DO NOT trust jekyll’s –watch function: it seems to ignore changes in _config.yml, USE jekyll build each time you changed this file or you suspect something is not updated when using –watch!
jekyll’s –watch seems to ignore _config.yml’s redcarpet extension, this maybe a bug that I should report on GitHub…