Merge branch 'ja/doc-markup-fixes'

Mark-ups used in the documentation has been improved for
consistency.

* ja/doc-markup-fixes:
  doc: git-clone: format placeholders
  doc: git-clone: format verbatim words
  doc: git-init: rework config item init.templateDir
  doc: git-init: rework definition lists
  doc: git-init: format placeholders
  doc: git-init: format verbatim parts

diff --cc Documentation/git-clone.txt
Simple merge