Jupytext

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**Added**

- Markdown and R Markdown formats now support metadata ([66](https://github.com/mwouts/jupytext/issues/66), [#111](https://github.com/mwouts/jupytext/issues/111), [#188](https://github.com/mwouts/jupytext/issues/188))
- The `light` format for Scripts can use custom cell markers, e.g. Vim or VScode/PyCharm folding markers ([199](https://github.com/mwouts/jupytext/issues/199))
- Pandoc's Markdown format for Jupyter notebooks is available in Jupytext as `md:pandoc` ([208](https://github.com/mwouts/jupytext/issues/208))

**Fixed**

- Jupytext's contents manager is now based on `LargeFileManager` to allow large file uploads ([210](https://github.com/mwouts/jupytext/issues/210))
- YAML header parsed with yaml.safe_load rather than yaml.load ([215](https://github.com/mwouts/jupytext/issues/215))
- IPython line magic can be split across lines ([209](https://github.com/mwouts/jupytext/issues/209))
- `jupytext --to py` rather than `--to python` in the README ([216](https://github.com/mwouts/jupytext/issues/216))

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**Fixed**

- Fix the error 'notebook file has changed on disk' when saving large notebooks ([207](https://github.com/mwouts/jupytext/issues/207))

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**Added**

- Wildcard are now supported on Windows ([202](https://github.com/mwouts/jupytext/issues/202))
- Trusted notebooks remain trusted when inputs cells are modified ([203](https://github.com/mwouts/jupytext/issues/203))

**Fixed**

- Pre-commit mode adds the result of conversion to the commit ([200](https://github.com/mwouts/jupytext/issues/200))

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**Added**

- Matlab and Octave notebooks and scripts are now supported ([197](https://github.com/mwouts/jupytext/issues/197))

**Fixed**

- `notebook_metadata_filter = "all"` now works ([196](https://github.com/mwouts/jupytext/issues/196))
- Default pairing in subfolders fixed in Jupyter Lab ([180](https://github.com/mwouts/jupytext/issues/180))

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**Added**

- Rename notebooks in pairs in the tree view ([190](https://github.com/mwouts/jupytext/issues/190))
- Associate `.scm` file extension with Scheme scripts ([192](https://github.com/mwouts/jupytext/issues/192))
- Added support for Clojure, by bzinberg ([193](https://github.com/mwouts/jupytext/issues/193))

**Fixed**

- Allow spaces between `?` or `!` and python or bash command ([189](https://github.com/mwouts/jupytext/issues/189))

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**Fixed**

- Exclude tests in package deployment ([184](https://github.com/mwouts/jupytext/issues/184))
- Jupytext's serverextension only runs selected init steps ([185](https://github.com/mwouts/jupytext/issues/185))
- Added an additional test for magic arguments ([111](https://github.com/mwouts/jupytext/issues/111))