ref-iteration doc: add_submodule_odb() returns 0 for success

diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt
index a7be80d48bf6fd6928186116f00f3b48cf564041..00e2aa2df259d449602f59cbec33599346ebd8a0 100644 (file)
--- a/Documentation/git-check-attr.txt
+++ b/Documentation/git-check-attr.txt
@@ -31,8 +31,9 @@ OPTIONS
        Read file names from stdin instead of from the command-line.
 
 -z::
-       Only meaningful with `--stdin`; paths are separated with a
-       NUL character instead of a linefeed character.
+       The output format is modified to be machine-parseable.
+       If `--stdin` is also given, input paths are separated
+       with a NUL character instead of a linefeed character.
 
 \--::
        Interpret all preceding arguments as attributes and all following
@@ -48,6 +49,10 @@ OUTPUT
 The output is of the form:
 <path> COLON SP <attribute> COLON SP <info> LF
 
+unless `-z` is in effect, in which case NUL is used as delimiter:
+<path> NUL <attribute> NUL <info> NUL
+
+
 <path> is the path of a file being queried, <attribute> is an attribute
 being queried and <info> can be either: