Sphinx-readme

Changes

* Replace xrefs that are preceded/followed by acceptable characters
* Add type checking, is_valid_username(), and is_valid_repo() to `git.py`
* Add unit tests for all of `git.py`

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**Full Changelog**: https://github.com/TDKorn/sphinx-readme/compare/v0.2.4...v0.2.5

Changes
- **8** Add support for self in toctrees
- **9** - Add support for `std` and `py` xrefs with the :domain:role:`target` syntax
- **10** - Support for explicit titles in toctrees
- Improve replacement of all xrefs
- Improve support for relative paths when resolving :doc: xrefs
- Add tests for `replace_attrs()`

**Full Changelog**: https://github.com/TDKorn/sphinx-readme/compare/v0.2.3...v0.2.4

Changes
* Fix bugs with title, attribute xref, and rubric parsing/replacement
* Map cross-references and substitutions by source file; substitution definitions are only prepended if they are present in the file
* Add support for relative paths in :doc: xref targets
* Update format_rst() to preserve substitutions, custom links

**Full Changelog**: https://github.com/TDKorn/sphinx-readme/compare/v0.2.2...v0.2.3

* Changed csv-table admonitions to use list-table directive instead

* Allows for nested admonitions and nested directives when the raw directive can't be used (see 1 / 6)

* Added support for multiline and nested rubric directives (see 7)

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**Full Changelog**: https://github.com/TDKorn/sphinx-readme/compare/v0.2.1...v0.2.2

**Full Changelog**: https://github.com/TDKorn/sphinx-readme/compare/v0.2.0...v0.2.1

Main Changes

* Added support for ``:start-line:`` and ``:end-line:`` options for include directives
* Added ``readme_tags`` confval to specify tags when parsing only directives
* Expression argument of only directives is also evaluated properly now
* Added section title parsing -> inline literals are preserved for ``:ref:`` cross-refs
* Order of substitution definitions is now consistent between builds

**Full Changelog**: https://github.com/TDKorn/sphinx-readme/compare/v0.1.0...v0.2.0