t7800-difftool.sh: Simplify the --extcmd test

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

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 2b37193a37da9715b0ae4b8aa47c85064694ef8e..8707d0e7404543d0565d72566a8db5946d9467ee 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -85,10 +85,23 @@ ifndef::git-format-patch[]
 endif::git-format-patch[]
 
 ifndef::git-format-patch[]
+
 -z::
-       NUL-line termination on output.  This affects the `--raw`
-       output field terminator.  Also output from commands such
-       as `git-log` will be delimited with NUL between commits.
+ifdef::git-log[]
+       Separate the commits with NULs instead of with new newlines.
++
+Also, when `--raw` or `--numstat` has been given, do not munge
+pathnames and use NULs as output field terminators.
+endif::git-log[]
+ifndef::git-log[]
+       When `--raw` or `--numstat` has been given, do not munge
+       pathnames and use NULs as output field terminators.
+endif::git-log[]
++
+Without this option, each pathname output will have TAB, LF, double quotes,
+and backslash characters replaced with `\t`, `\n`, `\"`, and `\\`,
+respectively, and the pathname will be enclosed in double quotes if
+any of those replacements occurred.
 
 --name-only::
        Show only names of changed files.