Merge branch 'jn/doc-backslash'

Merge branch 'jn/doc-backslash'

* jn/doc-backslash:
  Documentation: remove stray backslash in show-branch discussion
  Documentation: remove stray backslashes from "Fighting regressions" article
  Documentation: do not convert ... operator to ellipses
  Documentation: avoid stray backslash in user manual
  Documentation: avoid stray backslashes in core tutorial
  Documentation: remove stray backslashes in rev-parse manual
  Documentation: remove backslash before ~ in fast-import manual
  Documentation: remove stray backslash from "git bundle" manual
  Documentation/technical: avoid stray backslash in parse-options API docs
  Documentation: remove backslashes in manpage synopses
  Documentation: clarify quoting in gitignore docs
  Documentation: clarify quoting in "git rm" example
  Documentation: add missing quotes to "git grep" examples
  Documentation: clarify quoting in "git add" example
  Documentation: unbreak regex in show-ref manual
  Documentation: quoting trouble in "git rm" discussion
  Documentation: tweak description of log.date