[PATCH 2/3] Documentation: user-manual: add information about "git help" at the beginning

[Christian Couder <chriscool@tuxfamily.org>]

Talking about "git help" is useful because it has a few more
features (like when using it without arguments or with "-a") and
it may work on non unix like platforms.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 Documentation/user-manual.txt |   18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt
index 645d752..48f7189 100644
--- a/Documentation/user-manual.txt
+++ b/Documentation/user-manual.txt
@@ -17,13 +17,27 @@ People needing to do actual development will also want to read
 
 Further chapters cover more specialized topics.
 
-Comprehensive reference documentation is available through the man
-pages.  For a command such as "git clone <repo>", just use
+Comprehensive reference documentation is available through either the
+linkgit:git-help[1] command or the man pages.  For a command such as
+"git clone <repo>", you can use:
+
+------------------------------------------------
+$ git help clone
+------------------------------------------------
+
+or:
 
 ------------------------------------------------
 $ man git-clone
 ------------------------------------------------
 
+linkgit:git-help[1] has a few more features and is self-documenting
+using:
+
+------------------------------------------------
+$ git help help
+------------------------------------------------
+
 See also <<git-quick-start>> for a brief overview of git commands,
 without any explanation.
 
-- 
1.6.0.4.617.g621cb