reStructuredText uses long token names for syntax highlighting

[stephenfin]

rst2html can generate HTML with short or long form class names for syntax highlighting. Pygments (via the pygmentize command) seems to generate short form by default without any way to switch this. This means most/any stylesheets for code provided with various themes won't work when using rST output. This can easily be fixed by providing the --syntax-highlight=short flag to rst2html.

[stale]

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[stephenfin]

This is a bug. Without this fix, we do not have syntax highlighting when using rST resources.