From c05a2b0a7bd2bc5fe5f33a5c5486e8e9a27342ea Mon Sep 17 00:00:00 2001 From: Ben Pfaff Date: Mon, 28 Dec 2020 11:39:12 -0800 Subject: [PATCH] spv-file-format: Better document MANIFEST.MF. --- doc/dev/spv-file-format.texi | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/doc/dev/spv-file-format.texi b/doc/dev/spv-file-format.texi index f3548382ef..ca0cb7d94c 100644 --- a/doc/dev/spv-file-format.texi +++ b/doc/dev/spv-file-format.texi @@ -31,7 +31,10 @@ manifest contains the string @samp{allowPivoting=true}, without a new-line. PSPP uses this string to identify an SPV file; it is invariant across the corpus.@footnote{SPV files always begin with the 7-byte sequence 50 4b 03 04 14 00 08, but this is not a useful magic -number because most Zip archives start the same way.} +number because most Zip archives start the same way.}@footnote{SPSS +writes @file{META-INF/MANIFEST.MF} to every SPV file, but it does not +read it or even require it to exist, so using different contents, +e.g.@: as @samp{allowingPivot=false} has no effect.} The rest of the members in an SPV file's Zip archive fall into two categories: @dfn{structure} and @dfn{detail} members. Structure -- 2.30.2