- add option -i to fill a default language_info if missing
- deprecated rise and extensions options
- use jupytext config file to read and write files should be more robust, and break endless change loops wrt pygments and similar long-running issues
- bugfix, the default value for style_crumb was 'HTML(' and because of the open parenthesis it was failing as a regexp
- bugfix, the crumbs provided for spotting ex- license or style cells needed to be lowercased
- with the -L and -S options the caller can configure regexps that are used to determine if a cell is a license or style (resp.) cell
- normalize licence and style files by ignoring ending newlines
- new option -f in cooperation with -t to force title adoption if already present
- bugfix; invoking jupytext.read() on a file object does not work as expected
- initial pip-installable release
- has been substantially reworked from