Merge branch 'maint'

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 1f8ce979bbb73c7caf28bc6bca3283254470bb1c..e26b84706f8f29de26036ceec691e8cd6aac4661 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -36,7 +36,7 @@ endif::git-format-patch[]
 --patch-with-raw::
        Synonym for "-p --raw".
 
---patience:
+--patience::
        Generate a diff using the "patience diff" algorithm.
 
 --stat[=width[,name-width]]::
@@ -87,6 +87,13 @@ endif::git-format-patch[]
        Show only names and status of changed files. See the description
        of the `--diff-filter` option on what the status letters mean.
 
+--submodule[=<format>]::
+       Chose the output format for submodule differences. <format> can be one of
+       'short' and 'log'. 'short' just shows pairs of commit names, this format
+       is used when this option is not given. 'log' is the default value for this
+       option and lists the commits in that commit range like the 'summary'
+       option of linkgit:git-submodule[1] does.
+
 --color::
        Show colored diff.
 
@@ -94,8 +101,22 @@ endif::git-format-patch[]
        Turn off colored diff, even when the configuration file
        gives the default to color output.
 
---color-words::
-       Show colored word diff, i.e. color words which have changed.
+--color-words[=<regex>]::
+       Show colored word diff, i.e., color words which have changed.
+       By default, words are separated by whitespace.
++
+When a <regex> is specified, every non-overlapping match of the
+<regex> is considered a word.  Anything between these matches is
+considered whitespace and ignored(!) for the purposes of finding
+differences.  You may want to append `|[^[:space:]]` to your regular
+expression to make sure that it matches all non-whitespace characters.
+A match that contains a newline is silently truncated(!) at the
+newline.
++
+The regex can also be set via a diff driver or configuration option, see
+linkgit:gitattributes[1] or linkgit:git-config[1].  Giving it explicitly
+overrides any diff driver or configuration setting.  Diff drivers
+override configuration settings.
 
 --no-renames::
        Turn off rename detection, even when the configuration
@@ -162,7 +183,10 @@ endif::git-format-patch[]
        number.
 
 -S<string>::
-       Look for differences that contain the change in <string>.
+       Look for differences that introduce or remove an instance of
+       <string>. Note that this is different than the string simply
+       appearing in diff output; see the 'pickaxe' entry in
+       linkgit:gitdiffcore[7] for more details.
 
 --pickaxe-all::
        When -S finds a change, show all the changes in that