revisions.txt: mention <rev>~ form

In revisions.txt, the '<rev>^' form is mentioned but the '<rev>~' form is missing. Although both forms are essentially equivalent (they each get the first parent of the specified revision), we should mention the latter for completeness. Make this change. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Denton Liu committed May 5, 2019 at 12:07 UTC 6a12e99a52d2d01ea84e5040a87e0dac0a4b0b35
1 file changed +3 -1
Documentation/revisions.txt
+3 -1
@@ -139,7 +139,9 @@ thing no matter the case.
139 '<rev>{caret}0' means the commit itself and is used when '<rev>' is the
140 object name of a tag object that refers to a commit object.
141
142 -'<rev>{tilde}<n>', e.g. 'master{tilde}3'::
142 +'<rev>{tilde}[<n>]', e.g. 'HEAD{tilde}, master{tilde}3'::
143 + A suffix '{tilde}' to a revision parameter means the first parent of
144 + that commit object.
145 A suffix '{tilde}<n>' to a revision parameter means the commit
146 object that is the <n>th generation ancestor of the named
147 commit object, following only the first parents. I.e. '<rev>{tilde}3' is