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Update doc

This commit is contained in:
Tatsuhiro Tsujikawa 2015-02-24 14:48:58 +09:00
parent c98cf045d6
commit 1646352f3c
1 changed files with 7 additions and 1 deletions
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8
doc/apiref-header.rst
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@ -71,7 +71,13 @@ request headers must not include more than one "Host" header field.
Each header field name and value must obey the field-name and
field-value production rules described in `RFC 7230, section
3.2. <https://tools.ietf.org/html/rfc7230#section-3.2>`_.
Additionally, all field name must be lower cased.
Additionally, all field name must be lower cased. While the pseudo
header fields must satisfy these rules, we just ignore illegal regular
headers (this means that these header fields are not passed to
application callback). This is because these illegal header fields
are floating around in existing internet and resetting stream just
because of this may break many web sites. This is especially true if
we forward to or translate from HTTP/1 traffic.
With the above validations, nghttp2 library guarantees that header
field name passed to `nghttp2_on_header_callback()` is not empty.