user-manual changes

I've got the submodule chapter plus another pending fix at:

  git://linux-nfs.org/~bfields/git.git maint

The submodule documentation looks fine to me. My only suggestion is that it should start with a brief explanation of why we have submodules and what somebody would use them for.

--b.

J. Bruce Fields (1):
      user-manual: don't assume refs are stored under .git/refs

Miklos Vajna (1):
      User Manual: add a chapter for submodules

 Documentation/user-manual.txt |  220 +++++++++++++++++++++++++++++++++++++++--
 1 files changed, 213 insertions(+), 7 deletions(-)