Add documentation for --track and --no-track to the git-branch docs.

[git.git] / Documentation / diff-format.txt

diff --git a/Documentation/diff-format.txt b/Documentation/diff-format.txt
index 18d49d2c3baa81983b19a938598eb091fb7809ef..001503205b24d5c20ec10792c4ab6c4c7221bcb7 100644 (file)
--- a/Documentation/diff-format.txt
+++ b/Documentation/diff-format.txt
@@ -126,6 +126,13 @@ the file that rename/copy produces, respectively.
     If there is need for such substitution then the whole
     pathname is put in double quotes.
 
     If there is need for such substitution then the whole
     pathname is put in double quotes.
 

+The similarity index is the percentage of unchanged lines, and
+the dissimilarity index is the percentage of changed lines.  It
+is a rounded down integer, followed by a percent sign.  The
+similarity index value of 100% is thus reserved for two equal
+files, while 100% dissimilarity means that no line from the old
+file made it into the new one.
+

 
 combined diff format
 --------------------
 
 combined diff format
 --------------------