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-rw-r--r--Documentation/revisions.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt
index b0f72206a0..8855b1a0ac 100644
--- a/Documentation/revisions.txt
+++ b/Documentation/revisions.txt
@@ -116,6 +116,11 @@ some output processing may assume ref names in UTF-8.
object of that type is found or the object cannot be
dereferenced anymore (in which case, barf). '<rev>{caret}0'
is a short-hand for '<rev>{caret}\{commit\}'.
++
+'rev{caret}\{object\}' can be used to make sure 'rev' names an
+object that exists, without requiring 'rev' to be a tag, and
+without dereferencing 'rev'; because a tag is already an object,
+it does not have to be dereferenced even once to get to an object.
'<rev>{caret}\{\}', e.g. 'v0.99.8{caret}\{\}'::
A suffix '{caret}' followed by an empty brace pair