hgrc.5: combined short paragraphs into one Short and precise sentences are good, but we can have more than one such sentence per paragraph.

doc: use reST note directive The 'NOTE: bla bla' syntax was for asciidoc and is still present in a couple of docstrings. The docstrings will be converted to reST format when minirst knows how to handle it.

hgrc.5: capitalize True and False consistently

commands: slightly better help for --traceback

hgrc.5: document ui.traceback setting

fix tests output changed by 8269fe2d48f6

byterange: backport fix from upstream