Added documentation for few missing options.

More $ shell prompts in examples.
Minor English grammar improvements.
Added a few "See Also"s.
Use back-ticks on more command examples.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 45 insertions, 27 deletions

diff --git a/Documentation/git-checkout-index.txt b/Documentation/git-checkout-index.txt
index 5bff4865f7..97eef22ccd 100644
--- a/Documentation/git-checkout-index.txt
+++ b/Documentation/git-checkout-index.txt
@@ -45,53 +45,71 @@ OPTIONS
 
 The order of the flags used to matter, but not anymore.
 
-Just doing "git-checkout-index" does nothing. You probably meant
-"git-checkout-index -a". And if you want to force it, you want
-"git-checkout-index -f -a".
+Just doing `git-checkout-index` does nothing. You probably meant
+`git-checkout-index -a`. And if you want to force it, you want
+`git-checkout-index -f -a`.
 
 Intuitiveness is not the goal here. Repeatability is. The reason for
-the "no arguments means no work" thing is that from scripts you are
-supposed to be able to do things like:
+the "no arguments means no work" behavior is that from scripts you are
+supposed to be able to do:
 
-	find . -name '*.h' -print0 | xargs -0 git-checkout-index -f --
+----------------
+$ find . -name '*.h' -print0 | xargs -0 git-checkout-index -f --
+----------------
 
 which will force all existing `*.h` files to be replaced with their
 cached copies. If an empty command line implied "all", then this would
 force-refresh everything in the index, which was not the point.
 
-To update and refresh only the files already checked out:
+The `--` is just a good idea when you know the rest will be filenames;
+it will prevent problems with a filename of, for example,  `-a`.
+Using `--` is probably a good policy in scripts.
 
-        git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh
 
-Oh, and the "--" is just a good idea when you know the rest will be
-filenames. Just so that you wouldn't have a filename of "-a" causing
-problems (not possible in the above example, but get used to it in
-scripting!).
-
-The prefix ability basically makes it trivial to use
-git-checkout-index as an "export as tree" function. Just read the
-desired tree into the index, and do a
-
-        git-checkout-index --prefix=git-export-dir/ -a
-
-and git-checkout-index will "export" the index into the specified
+EXAMPLES
+--------
+To update and refresh only the files already checked out::
++
+----------------
+$ git-checkout-index -n -f -a && git-update-index --ignore-missing --refresh
+----------------
+
+Using `git-checkout-index` to "export an entire tree"::
+	The prefix ability basically makes it trivial to use
+	`git-checkout-index` as an "export as tree" function.
+	Just read the desired tree into the index, and do:
++
+----------------
+$ git-checkout-index --prefix=git-export-dir/ -a
+----------------
++
+`git-checkout-index` will "export" the index into the specified
 directory.
++
+The final "/" is important. The exported name is literally just
+prefixed with the specified string.  Contrast this with the
+following example.
 
-NOTE The final "/" is important. The exported name is literally just
-prefixed with the specified string, so you can also do something like
+Export files with a prefix::
++
+----------------
+$ git-checkout-index --prefix=.merged- Makefile
+----------------
++
+This will check out the currently cached copy of `Makefile`
+into the file `.merged-Makefile`.
 
-    git-checkout-index --prefix=.merged- Makefile
-
-to check out the currently cached copy of `Makefile` into the file
-`.merged-Makefile`
 
 Author
 ------
 Written by Linus Torvalds <torvalds@osdl.org>
 
+
 Documentation
 --------------
-Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
+Documentation by David Greaves,
+Junio C Hamano and the git-list <git@vger.kernel.org>.
+
 
 GIT
 ---