git-rebase.sh: update help messages a bit

diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt
index 8f60c9f43109a6f3833bd274c9123d6dc1c80a5b..7d1bd440944149bb8de03a9a202e46c85ec646f2 100644 (file)
--- a/Documentation/revisions.txt
+++ b/Documentation/revisions.txt
@@ -7,6 +7,10 @@ syntax.  Here are various ways to spell object names.  The
 ones listed near the end of this list name trees and
 blobs contained in a commit.
 
+NOTE: This document shows the "raw" syntax as seen by git. The shell
+and other UIs might require additional quoting to protect special
+characters and to avoid word splitting.
+
 '<sha1>', e.g. 'dae86e1950b1277e545cee180551750029cfe735', 'dae86e'::
   The full SHA-1 object name (40-byte hexadecimal string), or
   a leading substring that is unique within the repository.
@@ -186,6 +190,8 @@ existing tag object.
   is matched. ':/!-foo' performs a negative match, while ':/!!foo' matches a
   literal '!' character, followed by 'foo'. Any other sequence beginning with
   ':/!' is reserved for now.
+  Depending on the given text, the shell's word splitting rules might
+  require additional quoting.
 
 '<rev>:<path>', e.g. 'HEAD:README', ':README', 'master:./README'::
   A suffix ':' followed by a path names the blob or tree