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MAINT: Deterministic SVG and PDF tests #7748

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Merged
merged 7 commits into from
Jan 21, 2017
Merged

MAINT: Deterministic SVG and PDF tests #7748

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529afdc
Allow deleting pdf metadata keys
jkseppan Jan 5, 2017
8c7adbb
Make pdf test results (more) deterministic
jkseppan Jan 5, 2017
93b2eea
Reproducible svg
jkseppan Jan 5, 2017
eab297c
Document the changes in whats_new
jkseppan Jan 5, 2017
ec941b4
Fix documentation mistakes
jkseppan Jan 20, 2017
749e81f
Try to improve wording
jkseppan Jan 20, 2017
6736f7d
Another wording fix
jkseppan Jan 21, 2017
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Fix documentation mistakes
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@jkseppan
jkseppan committed Jan 20, 2017
commit ec941b49f91223a0ac1a954dc52c1a71fda18d4c
8 changes: 4 additions & 4 deletions doc/users/whats_new/reproducible_ps_pdf.rst
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Expand Up @@ -5,7 +5,7 @@ The ``SOURCE_DATE_EPOCH`` environment variable can now be used to set
the timestamp value in the PS and PDF outputs. See
https://reproducible-builds.org/specs/source-date-epoch/

Alternatively, calling ``savefig`` with ``metadata={creationDate=None}``
Alternatively, calling ``savefig`` with ``metadata={'creationDate': None}``
will omit the timestamp altogether.

The reproducibility of the output from the PS and PDF backends has so
Expand All @@ -17,10 +17,10 @@ versions need to be kept constant for reproducibility, and they may
add sources of nondeterminism outside the control of matplotlib.

For SVG output, the ``svg.hashsalt`` rc parameter has been added in an
earlier release. In can be used to change some random id values in the
earlier release. It can be used to change some random id values in the
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I don't understand the following sentence:
"It can be used to change some random id values in the output to be deterministic, at the cost that including multiple such SVG files in one document can lead to collisions."
Isn't there an grammar problem?

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I'll try to rephrase.

output to be deterministic, at the cost that including multiple such
svg files in one document can lead to collisions.
SVG files in one document can lead to collisions.

These features are now enabled in the tests for the pdf and svg
These features are now enabled in the tests for the PDF and SVG
backends, so most test output files (but not all of them) are now
deterministic.