help/config: separate terms with a blank line
This makes it easier for translators since they can then translate
each term individually.
help/config: fix rendering of definition list
Without the blank line, the minirst parser renders
Term-1
Line-1
Line-2
Term-2
Line-1
as
Term-1
Line-1
Line-2 Term-2 Line-1
because the second term is seen as a paragraph.
hgrc.5: make minirst find headings correctly
The minirst parser is stricter than Docutils here and require a blank
after a heading. Otherwise the heading is classified as a paragraph.
run-tests: fix --blacklist (broken by
95715c2f90bf)