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run-tests: partially backout PYTHON quoting...
run-tests: partially backout PYTHON quoting In 7f8b7a060584, I quoted this to support python being installed to "Program Files". Even though the string passed to os.popen() is this: "c:/Python27/python.exe" -c "import mercurial; print (mercurial.__path__[0])" ... cmd.exe is trying to run this: 'c:/Python27/python.exe" -c "import' This caused test-hghave.t to fail, reporting 'unexpected mercurial lib: ""', because the failed execution prints nothing to stdout. Py3 fails as though it's not quoted. For whatever reason, print() shows up in the output when run with py2, but not py3, so I'm having a hard time debugging this. For now, let's fix the buildbot.
Augie Fackler - - Load All Authors

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censor.txt
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The censor system allows retroactively removing content from
files. Actually censoring a node requires using the censor extension,
but the functionality for handling censored nodes is partially in core.
Censored nodes in a filelog have the flag ``REVIDX_ISCENSORED`` set,
and the contents of the censored node are replaced with a censor
tombstone. For historical reasons, the tombstone is packed in the
filelog metadata field ``censored``. This allows censored nodes to be
(mostly) safely transmitted through old formats like changegroup
versions 1 and 2. When using changegroup formats older than 3, the
receiver is required to re-add the ``REVIDX_ISCENSORED`` flag when
storing the revision. This depends on the ``censored`` metadata key
never being used for anything other than censoring revisions, which is
true as of January 2017. Note that the revlog flag is the
authoritative marker of a censored node: the tombstone should only be
consulted when looking for a reason a node was censored or when revlog
flags are unavailable as mentioned above.
The tombstone data is a free-form string. It's expected that users of
censor will want to record the reason for censoring a node in the
tombstone. Censored nodes must be able to fit in the size of the
content being censored.