Improve markdown processing performance #75
Merged
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Fixes #40
I found that the cause of poor performance and high resource usage was the use of a lookbehind in the regex expression used to locate
<img>
elements in markdown.This PR removes the lookahead and lookbehind, and instead extracts out the
$$render
portion first, then looks through it, instead of the entire code string. This is much more performant. In my own project, which only has one markdown page with images in it, the overall build time went fromto