Update draft release notes to 1.9

diff --git a/Documentation/diff-config.txt b/Documentation/diff-config.txt
index 7c968d1bab9cd6194aa1a80f1ee20a8f52ec840b..223b9310df0990accdb0d43b096bd52856f56bef 100644 (file)
--- a/Documentation/diff-config.txt
+++ b/Documentation/diff-config.txt
@@ -56,6 +56,10 @@ diff.statGraphWidth::
        Limit the width of the graph part in --stat output. If set, applies
        to all commands generating --stat output except format-patch.
 
+diff.context::
+       Generate diffs with <n> lines of context instead of the default
+       of 3. This value is overridden by the -U option.
+
 diff.external::
        If this config variable is set, diff generation is not
        performed using the internal diff machinery, but using the
@@ -69,7 +73,11 @@ diff.ignoreSubmodules::
        Sets the default value of --ignore-submodules. Note that this
        affects only 'git diff' Porcelain, and not lower level 'diff'
        commands such as 'git diff-files'. 'git checkout' also honors
-       this setting when reporting uncommitted changes.
+       this setting when reporting uncommitted changes. Setting it to
+       'all' disables the submodule summary normally shown by 'git commit'
+       and 'git status' when 'status.submodulesummary' is set unless it is
+       overridden by using the --ignore-submodules command line option.
+       The 'git submodule' commands are not affected by this setting.
 
 diff.mnemonicprefix::
        If set, 'git diff' uses a prefix pair that is different from the
@@ -95,7 +103,7 @@ diff.renameLimit::
        detection; equivalent to the 'git diff' option '-l'.
 
 diff.renames::
-       Tells git to detect renames.  If set to any boolean value, it
+       Tells Git to detect renames.  If set to any boolean value, it
        will enable basic rename detection.  If set to "copies" or
        "copy", it will detect copies, as well.
 
@@ -103,6 +111,19 @@ diff.suppressBlankEmpty::
        A boolean to inhibit the standard behavior of printing a space
        before each empty output line. Defaults to false.
 
+diff.submodule::
+       Specify the format in which differences in submodules are
+       shown.  The "log" format lists the commits in the range like
+       linkgit:git-submodule[1] `summary` does.  The "short" format
+       format just shows the names of the commits at the beginning
+       and end of the range.  Defaults to short.
+
+diff.wordRegex::
+       A POSIX Extended Regular Expression used to determine what is a "word"
+       when performing word-by-word difference calculations.  Character
+       sequences that match the regular expression are "words", all other
+       characters are *ignorable* whitespace.
+
 diff.<driver>.command::
        The custom diff driver command.  See linkgit:gitattributes[5]
        for details.
@@ -139,3 +160,20 @@ diff.tool::
        that a corresponding difftool.<tool>.cmd variable is defined.
 
 include::mergetools-diff.txt[]
+
+diff.algorithm::
+       Choose a diff algorithm.  The variants are as follows:
++
+--
+`default`, `myers`;;
+       The basic greedy diff algorithm. Currently, this is the default.
+`minimal`;;
+       Spend extra time to make sure the smallest possible diff is
+       produced.
+`patience`;;
+       Use "patience diff" algorithm when generating patches.
+`histogram`;;
+       This algorithm extends the patience algorithm to "support
+       low-occurrence common elements".
+--
++