Merge branch 'ma/asciidoctor-fixes-more'

Documentation mark-up fixes. * ma/asciidoctor-fixes-more: Documentation: turn middle-of-line tabs into spaces git-svn.txt: drop escaping '\' that ends up being rendered git.txt: remove empty line before list continuation config/fsck.txt: avoid starting line with dash config/diff.txt: drop spurious backtick