[PATCH] git-svn docs: mention svn.addAuthorFrom and svn.useLogAuthor config options.

[Avery Pennarun <apenwarr@gmail.com>]

At least one person got confused because they thought it was necessary to
provide these on the command line every time.

Signed-off-by: Avery Pennarun <apenwarr@gmail.com>
---
 Documentation/git-svn.txt |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
index 97bed54..e8200ce 100644
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -64,13 +64,16 @@ COMMANDS
 --use-log-author;;
 	When retrieving svn commits into git (as part of fetch, rebase, or
 	dcommit operations), look for the first From: or Signed-off-by: line
-	in the log message and use that as the author string.
+	in the log message and use that as the author string. (To enable
+	this permanently, use git config svn.useLogAuthor)
 --add-author-from;;
 	When committing to svn from git (as part of commit or dcommit
 	operations), if the existing log message doesn't already have a
 	From: or Signed-off-by: line, append a From: line based on the
-	git commit's author string.  If you use this, then --use-log-author
-	will retrieve a valid author string for all commits.
+	git commit's author string.  If you use this, then if you enable
+	--use-log-author it will retrieve a valid author string for all
+	commits. (To enable this option permanently, use git config
+	svn.addAuthorFrom)
 --username=<USER>;;
 	For transports that SVN handles authentication for (http,
 	https, and plain svn), specify the username.  For other
-- 
1.5.6.56.g29b0d