Joshua Wise

**Requested Feature:** (short description) It would be nice to have an option to remove filename extensions from canonical permalinks. That is to say, rather than a canonical name of either...

Add external_url metadata item, for off-site entries

9

### Pull Request Checklist - [x] I’ve read the [guidelines for contributing](https://github.com/getnikola/nikola/blob/master/CONTRIBUTING.rst). - [x] I updated AUTHORS.txt and CHANGES.txt (if the change is non-trivial) and documentation (if applicable). - [x]...

**Requested Feature:** (short description) Posts / pages should have a mode to be metadata-only, and have a canonical permalink elsewhere on the Internet. **Related Area:** (eg. tasks, compilers, configuration, templates…)...