parse-options: add new function "usage_msg_opt"

diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 4a43c64bb8b3d97809951f867b9ccff9380b08ba..6f1fc80119600c419d2e3b98bac0c44f9cb09026 100644 (file)
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -9,10 +9,10 @@ git-format-patch - Prepare patches for e-mail submission
 SYNOPSIS
 --------
 [verse]
-'git format-patch' [-k] [-o <dir> | --stdout] [--thread]
-                  [--attach[=<boundary>] | --inline[=<boundary>] |
-                    [--no-attach]]
-                  [-s | --signoff] [<common diff options>]
+'git format-patch' [-k] [(-o|--output-directory) <dir> | --stdout]
+                  [--thread[=<style>]]
+                  [(--attach|--inline)[=<boundary>] | --no-attach]
+                  [-s | --signoff]
                   [-n | --numbered | -N | --no-numbered]
                   [--start-number <n>] [--numbered-files]
                   [--in-reply-to=Message-Id] [--suffix=.<sfx>]
@@ -20,6 +20,7 @@ SYNOPSIS
                   [--subject-prefix=Subject-Prefix]
                   [--cc=<email>]
                   [--cover-letter]
+                  [<common diff options>]
                   [ <since> | <revision range> ]
 
 DESCRIPTION
@@ -170,18 +171,17 @@ if that is not set.
 --suffix=.<sfx>::
        Instead of using `.patch` as the suffix for generated
        filenames, use specified suffix.  A common alternative is
-       `--suffix=.txt`.
+       `--suffix=.txt`.  Leaving this empty will remove the `.patch`
+       suffix.
 +
-Note that you would need to include the leading dot `.` if you
-want a filename like `0001-description-of-my-change.patch`, and
-the first letter does not have to be a dot.  Leaving it empty would
-not add any suffix.
+Note that the leading character does not have to be a dot; for example,
+you can use `--suffix=-patch` to get `0001-description-of-my-change-patch`.
 
 --no-binary::
-       Don't output contents of changes in binary files, just take note
-       that they differ.  Note that this disable the patch to be properly
-       applied.  By default the contents of changes in those files are
-       encoded in the patch.
+       Do not output contents of changes in binary files, instead
+       display a notice that those files changed.  Patches generated
+       using this option cannot be applied properly, but they are
+       still useful for code review.
 
 --root::
        Treat the revision argument as a <revision range>, even if it
@@ -192,10 +192,10 @@ not add any suffix.
 
 CONFIGURATION
 -------------
-You can specify extra mail header lines to be added to each message
-in the repository configuration, new defaults for the subject prefix
-and file suffix, control attachments, and number patches when outputting
-more than one.
+You can specify extra mail header lines to be added to each message,
+defaults for the subject prefix and file suffix, number patches when
+outputting more than one patch, add "Cc:" headers, configure attachments,
+and sign off patches with configuration variables.
 
 ------------
 [format]
@@ -243,8 +243,8 @@ $ git format-patch -M -B origin
 +
 Additionally, it detects and handles renames and complete rewrites
 intelligently to produce a renaming patch.  A renaming patch reduces
-the amount of text output, and generally makes it easier to review it.
-Note that the "patch" program does not understand renaming patches, so
+the amount of text output, and generally makes it easier to review.
+Note that non-git "patch" programs won't understand renaming patches, so
 use it only when you know the recipient uses git to apply your patch.
 
 * Extract three topmost commits from the current branch and format them