gitweb: Better support for non-CSS aware web browsers

diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt
index d4661ddc2f84c1392b32ad3fdf5f4ebe5b465e00..9bd1e39feb0b34ef01c0bc0df7a9be0ded0e34cb 100644 (file)
--- a/Documentation/git-pack-objects.txt
+++ b/Documentation/git-pack-objects.txt
@@ -9,7 +9,7 @@ git-pack-objects - Create a packed archive of objects
 SYNOPSIS
 --------
 [verse]
-'git-pack-objects' [-q] [--no-reuse-delta] [--non-empty]
+'git-pack-objects' [-q] [--no-reuse-delta] [--delta-base-offset] [--non-empty]
        [--local] [--incremental] [--window=N] [--depth=N]
        [--revs [--unpacked | --all]*] [--stdout | base-name] < object-list
 
@@ -47,9 +47,8 @@ base-name::
        <base-name> to determine the name of the created file.
        When this option is used, the two files are written in
        <base-name>-<SHA1>.{pack,idx} files.  <SHA1> is a hash
-       of object names (currently in random order so it does
-       not have any useful meaning) to make the resulting
-       filename reasonably unique, and written to the standard
+       of the sorted object names to make the resulting filename
+       based on the pack content, and written to the standard
        output of the command.
 
 --stdout::
@@ -71,11 +70,11 @@ base-name::
 --all::
        This implies `--revs`.  In addition to the list of
        revision arguments read from the standard input, pretend
-       as if all refs under `$GIT_DIR/refs` are specifed to be
+       as if all refs under `$GIT_DIR/refs` are specified to be
        included.
 
---window and --depth::
-       These two options affects how the objects contained in
+--window=[N], --depth=[N]::
+       These two options affect how the objects contained in
        the pack are stored using delta compression.  The
        objects are first internally sorted by type, size and
        optionally names and compared against the other objects
@@ -84,6 +83,7 @@ base-name::
        it too deep affects the performance on the unpacker
        side, because delta data needs to be applied that many
        times to get to the necessary object.
+       The default value for both --window and --depth is 10.
 
 --incremental::
        This flag causes an object already in a pack ignored
@@ -110,6 +110,17 @@ base-name::
        This flag tells the command not to reuse existing deltas
        but compute them from scratch.
 
+--delta-base-offset::
+       A packed archive can express base object of a delta as
+       either 20-byte object name or as an offset in the
+       stream, but older version of git does not understand the
+       latter.  By default, git-pack-objects only uses the
+       former format for better compatibility.  This option
+       allows the command to use the latter format for
+       compactness.  Depending on the average delta chain
+       length, this option typically shrinks the resulting
+       packfile by 3-5 per-cent.
+
 
 Author
 ------