paul j3 added the comment:
I suspect fixing this isn't going to be easy.
Extra lines are removed by the top most `formatter` function:
def format_help(self):
help = self._root_section.format_help()
if help:
help = self._long_break_matcher.sub('\n\n', help)
help = help.strip('\n') + '\n'
return help
RawDescriptionHelpFormatter on the other hand just changes one deeply embedded
function:
def _fill_text(self, text, width, indent):
return ''.join(indent + line for line in text.splitlines(keepends=True))
That `format_help` function has no way of distinguishing between '\n' that were
part of the raw text, and which were added while assembling the various parts.
It could be instructive to try this version of format_help and see just how
many \n are being removed:
def format_help(self):
help = self._root_section.format_help()
return help
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue17113>
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