ref-cache: rename `add_ref()` to `add_ref_entry()`

diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index f2ab0ee2e7d1ff0f79c09cbd27e745f5f08d139d..25dcdcc2890f0a6814c0000c3c8970e02c0717f8 100644 (file)
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -117,9 +117,12 @@ OPTIONS
 
 -z::
 --null::
-       When showing `short` or `porcelain` status output, terminate
-       entries in the status output with NUL, instead of LF. If no
-       format is given, implies the `--porcelain` output format.
+       When showing `short` or `porcelain` status output, print the
+       filename verbatim and terminate the entries with NUL, instead of LF.
+       If no format is given, implies the `--porcelain` output format.
+       Without the `-z` option, filenames with "unusual" characters are
+       quoted as explained for the configuration variable `core.quotePath`
+       (see linkgit:git-config[1]).
 
 -F <file>::
 --file=<file>::
@@ -265,7 +268,8 @@ FROM UPSTREAM REBASE" section in linkgit:git-rebase[1].)
        If this option is specified together with `--amend`, then
        no paths need to be specified, which can be used to amend
        the last commit without committing changes that have
-       already been staged.
+       already been staged. If used together with `--allow-empty`
+       paths are also not required, and an empty commit will be created.
 
 -u[<mode>]::
 --untracked-files[=<mode>]::