* fix missing line-break after end-of-file comments not ending in line-break * fix failure to parse empty implicit flow mapping key * in YAML 1.1 plains scalars `y`, 'n', `Y`, and 'N' are now correctly recognised as booleans and such strings dumped quoted OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-ruamel.yaml?expand=0&rev=29