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Restore recipient requirements for invalid characters in field values #783

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8 changes: 4 additions & 4 deletions draft-ietf-httpbis-semantics-latest.xml
Original file line number Diff line number Diff line change
Expand Up @@ -1650,10 +1650,9 @@ Content-Type: text/plain
opaque data.
</t>
<t>
Field values containing control (<x:ref>CTL</x:ref>) characters such as
CR or LF are invalid; recipients &MUST; either reject a field value
containing control characters, or convert them to SP before processing or
forwarding the message.
Field values containing CR or NUL characters are invalid; recipients
&MUST; either reject the message, or convert these characters to SP before
processing or forwarding the message.
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</t>
<t>
Leading and trailing whitespace in raw field values is removed upon field
Expand Down Expand Up @@ -13459,6 +13458,7 @@ Content-Type: text/plain
<li>In <xref target="field.content-length"/>, be more explicit about invalid and incorrect values (<eref target="https://github.com/httpwg/http-core/issues/748"/> and <eref target="https://github.com/httpwg/http-core/issues/749"/>)</li>
<li>Move discussion of statelessness from <xref target="intermediaries"/> to <xref target="connections"/> (<eref target="https://github.com/httpwg/http-core/issues/753"/>)</li>
<li>In <xref target="status.101"/>, clarify that the upgraded protocol is in effect after the 101 response (<eref target="https://github.com/httpwg/http-core/issues/776"/>)</li>
<li>In <xref target="field-values"/>, relax prohibition of characters in field values to CR and NUL (<eref target="https://github.com/httpwg/http-core/issues/683"/>)</li>
</ul>
</section>
</section>
Expand Down