bitmap-format.txt: add information for trailing checksum

Bitmap file has a trailing checksum at the end of the file. However there is no information in the bitmap-format documentation about it. Add a trailer section to include the trailing checksum info in the `Documentation/technical/bitmap-format.txt` file. Signed-off-by: Abhradeep Chakraborty <chakrabortyabhradeep79@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Abhradeep Chakraborty committed Jun 16, 2022 at 05:03 UTC ac7667bd44acd0e192e1783862ca5382ccbb2fcb
1 file changed +4
Documentation/technical/bitmap-format.txt
+4
@@ -138,6 +138,10 @@ in the index.
138
139 ** The compressed bitmap itself, see Appendix A.
140
141 + * {empty}
142 + TRAILER: ::
143 + Trailing checksum of the preceding contents.
144 +
145 == Appendix A: Serialization format for an EWAH bitmap
146
147 Ewah bitmaps are serialized in the same protocol as the JAVAEWAH