Rst-linker

===

Replacer now adds the Sphinx config namespace to the
replacements, meaning that names like ``project``
or ``copyright`` may be referenced in the format
strings. This feature is particularly useful when
coupled with the `jaraco.packaging
<https://pypi.org/project/jaraco.packaging>`.sphinx
plugin, which supplies a ``package_url``.

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Added project description and updated changelog.

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Issue 4: Prefer public API of ``app.confdir`` to private
API.

===

Issue 4: Resolve deterministically the filenames relative to
the config file.

*semver deviation*: This change is backward-incompatible
for projects that relied on paths relative to the cwd where
the cwd was not the directory of the config file.

===

Issue 2: Suppress stderr from SCM programs.

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Issue 3: Fix incorrect call on open call to write the linked
target.