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man: update notmuch-dump man page for new default.

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Actually the previous default was not documented explicitely.  I moved
the batch-tag section first because it seemed that the formats were
previously documented in order default, other.
This commit is contained in:
David Bremner 2014-01-23 09:02:47 -04:00
parent f4167e6de8
commit 5dd59d2a5e
1 changed files with 28 additions and 26 deletions
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54
man/man1/notmuch-dump.1
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@ -26,6 +26,34 @@ incremental backup than the native database files.)
Notmuch restore supports two plain text dump formats, both with one message-id Notmuch restore supports two plain text dump formats, both with one message-id
per line, followed by a list of tags. per line, followed by a list of tags.
.RS 4
.TP 4
.B batch-tag
The default
.B batch-tag
dump format is intended to more robust against malformed message-ids
and tags containing whitespace or non-\fBascii\fR(7) characters.
Each line has the form
.RS 4
.RI "+<" "encoded-tag" "> " "" "+<" "encoded-tag" "> ... -- " "" " id:<" quoted-message-id >
Tags are hex-encoded by replacing every byte not matching the regex
.B [A-Za-z0-9@=.,_+-]
with
.B %nn
where nn is the two digit hex encoding. The message ID is a valid Xapian
query, quoted using Xapian boolean term quoting rules: if the ID contains
whitespace or a close paren or starts with a double quote, it must be
enclosed in double quotes and double quotes inside the ID must be doubled.
The astute reader will notice this is a special case of the batch input
format for \fBnotmuch-tag\fR(1); note that the single message-id query is
mandatory for \fBnotmuch-restore\fR(1).
.RE
.RE
.RS 4 .RS 4
.TP 4 .TP 4
.B sup .B sup
@ -52,32 +80,6 @@ that tags with spaces will not be correctly restored with this format.
.RE .RE
.RE
.RS 4
.TP 4
.B batch-tag
The
.B batch-tag
dump format is intended to more robust against malformed message-ids
and tags containing whitespace or non-\fBascii\fR(7) characters.
Each line has the form
.RS 4
.RI "+<" "encoded-tag" "> " "" "+<" "encoded-tag" "> ... -- " "" " id:<" quoted-message-id >
Tags are hex-encoded by replacing every byte not matching the regex
.B [A-Za-z0-9@=.,_+-]
with
.B %nn
where nn is the two digit hex encoding. The message ID is a valid Xapian
query, quoted using Xapian boolean term quoting rules: if the ID contains
whitespace or a close paren or starts with a double quote, it must be
enclosed in double quotes and double quotes inside the ID must be doubled.
The astute reader will notice this is a special case of the batch input
format for \fBnotmuch-tag\fR(1); note that the single message-id query is
mandatory for \fBnotmuch-restore\fR(1).
.RE .RE