Weekly github digest (Distributed Tracing WG specs)

Issues
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* w3c/trace-context (+0/-5/💬6)
  4 issues received 6 new comments:
  - #353 We mention in joint blog post that opentelemetry is a reference implementation while readme says opencensus (1 by dyladan)
    https://github.com/w3c/trace-context/issues/353 
  - #352 ReSpec issue (1 by plehegar)
    https://github.com/w3c/trace-context/issues/352 [editorial] 
  - #349 Inter-operability of tracing systems operating with shorter trace-id (3 by SergeyKanzhelev, morrisonlevi, tedsuo)
    https://github.com/w3c/trace-context/issues/349 
  - #336 Last read-through and voting to go into PR (1 by danielkhan)
    https://github.com/w3c/trace-context/issues/336 

  5 issues closed:
  - Last read-through and voting to go into PR https://github.com/w3c/trace-context/issues/336 
  - Revert advice against backfilling of zeros https://github.com/w3c/trace-context/issues/337 
  - Inter-operability of tracing systems operating with shorter trace-id https://github.com/w3c/trace-context/issues/349 
  - ReSpec issue https://github.com/w3c/trace-context/issues/352 [editorial] 
  - Warning message against implementation https://github.com/w3c/trace-context/issues/345 



Pull requests
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* w3c/trace-context (+5/-5/💬7)
  5 pull requests submitted:
  - Add links to Elastic APM implementations (by felixbarny)
    https://github.com/w3c/trace-context/pull/358 
  - Update links to implementations (by dyladan)
    https://github.com/w3c/trace-context/pull/357 
  - fix the section on 64bit systems (by SergeyKanzhelev)
    https://github.com/w3c/trace-context/pull/356 
  - Remove preview (by plehegar)
    https://github.com/w3c/trace-context/pull/355 [editorial] 
  - Fixes #352 (by plehegar)
    https://github.com/w3c/trace-context/pull/354 [editorial] 

  3 pull requests received 7 new comments:
  - #358 Add links to Elastic APM implementations (1 by felixbarny)
    https://github.com/w3c/trace-context/pull/358 
  - #356 Fix the section on 64bit systems (5 by SergeyKanzhelev, justinfoote, tedsuo)
    https://github.com/w3c/trace-context/pull/356 
  - #351 moved content about trace-id into informative section as a first step… (1 by SergeyKanzhelev)
    https://github.com/w3c/trace-context/pull/351 

  5 pull requests merged:
  - Fix the section on 64bit systems
    https://github.com/w3c/trace-context/pull/356 
  - Fixes #352
    https://github.com/w3c/trace-context/pull/354 [editorial] 
  - Remove preview
    https://github.com/w3c/trace-context/pull/355 [editorial] 
  - Sergkanz/fix indentation
    https://github.com/w3c/trace-context/pull/350 [editorial] 
  - moved content about trace-id into informative section as a first step…
    https://github.com/w3c/trace-context/pull/351 


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