t2020: test variations that matter

diff --git a/Documentation/git.txt b/Documentation/git.txt
index 7a1d629ca068059d274da66728eb7f886b43081d..6ec871b91057869801f48e9a07c3f027b9383db2 100644 (file)
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -709,6 +709,15 @@ of clones and fetches.
        the background which do not want to cause lock contention with
        other operations on the repository.  Defaults to `1`.
 
+`GIT_PRINT_SHA1_ELLIPSIS` (deprecated)::
+       If set to `yes`, print an ellipsis following an
+       (abbreviated) SHA-1 value.  This affects indications of
+       detached HEADs (linkgit:git-checkout[1]) and the raw
+       diff output (linkgit:git-diff[1]).  Printing an
+       ellipsis in the cases mentioned is no longer considered
+       adequate and support for it is likely to be removed in the
+       foreseeable future (along with the variable).
+
 Discussion[[Discussion]]
 ------------------------