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Documentation: clarify whitespace rules for trailers

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Commit e4319562bc (trailer: be stricter in parsing separators, 2016-11-02)
restricted whitespaces allowed by `git interpret-trailers` in the "token"
part of the trailers it reads. This commit didn't update the related
documentation in Documentation/git-interpret-trailers.txt though.

Also commit 60ef86a162 (trailer: support values folded to multiple lines,
2016-10-21) updated the documentation, but didn't make it clear how many
whitespace characters are allowed at the beginning of new lines in folded
values.

Let's fix both of these issues by rewriting the paragraph describing
what whitespaces are allowed by `git interpret-trailers` in the trailers
it reads.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2022-08-30 12:50:46 +02:00 committed by Junio C Hamano
parent 0f5bd024f2
commit b46dd1726c
1 changed files with 6 additions and 4 deletions
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10
Documentation/git-interpret-trailers.txt
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@ -60,10 +60,12 @@ non-whitespace lines before a line that starts with '---' (followed by a
space or the end of the line). Such three minus signs start the patch
part of the message. See also `--no-divider` below.
When reading trailers, there can be whitespaces after the
token, the separator and the value. There can also be whitespaces
inside the token and the value. The value may be split over multiple lines with
each subsequent line starting with whitespace, like the "folding" in RFC 822.
When reading trailers, there can be no whitespace before or inside the
token, but any number of regular space and tab characters are allowed
between the token and the separator. There can be whitespaces before,
inside or after the value. The value may be split over multiple lines
with each subsequent line starting with at least one whitespace, like
the "folding" in RFC 822.
Note that 'trailers' do not follow and are not intended to follow many
rules for RFC 822 headers. For example they do not follow