Weekly github digest (Distributed Tracing WG specs)

Issues
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* w3c/trace-context (+0/-0/💬5)
  3 issues received 5 new comments:
  - #508 Why should keys be restricted to lowercase ASCII? (3 by aphillips, basti1302)
    https://github.com/w3c/trace-context/issues/508 [i18n-needs-resolution] 
  - #507 Version number relationship to ASCII and UTF-8 (1 by basti1302)
    https://github.com/w3c/trace-context/issues/507 [i18n-needs-resolution] 
  - #506 specification of lowercase is incomplete (1 by basti1302)
    https://github.com/w3c/trace-context/issues/506 [i18n-needs-resolution] 



Pull requests
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* w3c/trace-context (+5/-0/💬0)
  5 pull requests submitted:
  - add reasoning for the restriction of tracestate keys (by basti1302)
    https://github.com/w3c/trace-context/pull/515 
  - improve wording for casing of response header name (by basti1302)
    https://github.com/w3c/trace-context/pull/514 
  - improve wording for casing of header names (by basti1302)
    https://github.com/w3c/trace-context/pull/513 
  - improve description of version field in response header (by basti1302)
    https://github.com/w3c/trace-context/pull/512 
  - improve description of version field (by basti1302)
    https://github.com/w3c/trace-context/pull/511 


Repositories tracked by this digest:
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* https://github.com/w3c/trace-context
* https://github.com/w3c/correlation-context
* https://github.com/w3c/distributed-tracing-wg


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