The parsing time for Markdown documents can take very long and hang site generation when e.g. long tables are being generated.
The project is essentially unmaintained with tickets piling up and crucial bugs not being fixed.
pegdown's parsing performance isn't great. In some cases of pathological input runtime can even become exponential, which means that the parser either appears to "hang" completely or abort processing after a time-out.
Since the parsing timeout was increased in
DOXIA-498 it is now possible to "hang" the site creation with a longer table like the one in this example.
In case this sample is rendered using version 3.3 of the maven site