Merge pull request #842 from httpwg/reschke-841

add forward refs to OWS def (fixes #841)

draft-ietf-httpbis-semantics-latest.xml

@@ -1586,7 +1586,8 @@ Example-Field: Baz
    have the same field name
    into one field line, without changing the semantics of the message, by
    appending each subsequent field line value to the initial field line value
-   in order, separated by a comma and <x:ref>OWS</x:ref> (optional whitespace).
+   in order, separated by a comma (",") and optional whitespace
+   (<x:ref>OWS</x:ref>, defined in <xref target="whitespace"/>).
    For consistency, use comma SP.
 </t>
 <t>
@@ -1776,7 +1777,8 @@ Example-Dates: "Sat, 04 May 1996", "Wed, 14 Sep 2005"
    A construct "#" is defined, similar to "*", for defining comma-delimited
    lists of elements. The full form is "&lt;n&gt;#&lt;m&gt;element" indicating
    at least &lt;n&gt; and at most &lt;m&gt; elements, each separated by a single
-   comma (",") and optional whitespace (OWS).
+   comma (",") and optional whitespace (<x:ref>OWS</x:ref>,
+   defined in <xref target="whitespace"/>).
 </t>
 
 <section title="Sender Requirements" anchor="abnf.extension.sender">
@@ -13540,6 +13542,7 @@ Content-Type: text/plain
 <ul x:when-empty="None yet.">
   <li>In <xref target="HEAD"/>, align prose about content in HEAD requests with description of GET (<eref target="https://github.com/httpwg/http-core/issues/826"/>)</li>
   <li>In <xref target="fields.order"/>, remove the restriction to non-empty field line values (<eref target="https://github.com/httpwg/http-core/issues/836"/>)</li>
+  <li>Add forward references to definition of OWS (<eref target="https://github.com/httpwg/http-core/issues/841"/>)</li>
 </ul>
 </section>
 </section>