doc: pretty-formats document negative column alignments

Commit 066790d7cb0 (pretty.c: support <direction>|(<negative number>) forms, 2016-06-16) added the option for right justified column alignment without updating the documentation. Add an explanation of its use of negative column values. Signed-off-by: Philip Oakley <philipoakley@iee.email> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Philip Oakley committed Jan 19, 2023 at 18:18 UTC 63792c564c3a96007baf7ce876dea0a6f5f9f880
1 file changed +3 -1
Documentation/pretty-formats.txt
+3 -1
@@ -158,7 +158,9 @@ The placeholders are:
158 Note 2: spaces around the N and M (see below)
159 values are optional.
160 '%<|( <M> )':: make the next placeholder take at least until Mth
161 - display column, padding spaces on the right if necessary
161 + display column, padding spaces on the right if necessary.
162 + Use negative M values for column positions measured
163 + from the right hand edge of the terminal window.
164 '%>( <N> )', '%>|( <M> )':: similar to '%<( <N> )', '%<|( <M> )' respectively,
165 but padding spaces on the left
166 '%>>( <N> )', '%>>|( <M> )':: similar to '%>( <N> )', '%>|( <M> )'