[PATCH] git-cat-file.txt: Document --textconv

[Michael J Gruber <git@drmicha.warpmail.net>]

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
---
This formulation is based on my understanding that you can't cat-file
 --textconv something in the index or worktree.

 Documentation/git-cat-file.txt |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt
index 58c8d65..da932ab 100644
--- a/Documentation/git-cat-file.txt
+++ b/Documentation/git-cat-file.txt
@@ -9,14 +9,15 @@ git-cat-file - Provide content or type and size information for repository objec
 SYNOPSIS
 --------
 [verse]
-'git cat-file' (-t | -s | -e | -p | <type>) <object>
+'git cat-file' (-t | -s | -e | -p | <type> | --textconv ) <object>
 'git cat-file' (--batch | --batch-check) < <list-of-objects>
 
 DESCRIPTION
 -----------
 In its first form, the command provides the content or the type of an object in
 the repository. The type is required unless '-t' or '-p' is used to find the
-object type, or '-s' is used to find the object size.
+object type, or '-s' is used to find the object size, or '--textconv' is used
+(which implies type "blob").
 
 In the second form, a list of objects (separated by linefeeds) is provided on
 stdin, and the SHA1, type, and size of each object is printed on stdout.
@@ -51,6 +52,11 @@ OPTIONS
 	or to ask for a "blob" with <object> being a tag object that
 	points at it.
 
+--textconv::
+	Show the content as transformed by a textconv filter. In this case,
+	<object> has be of the form <treeish:path>, with treeish defaulting to
+	HEAD.
+
 --batch::
 	Print the SHA1, type, size, and contents of each object provided on
 	stdin. May not be combined with any other options or arguments.
-- 
1.7.1.621.g01d76