- `relative-link` processor will now handle query parameters.
- Modify `panel` processor for translating subtitles, by requiring subtitle text as second level heading.
- Modify `image` processor for translating captions, by requiring caption text between start and end tags.
- Modify `image` processor to allow finer control of output, in particular when dealing with image with width values.
- Add new tag configuration value `tag_argument` to override tag name.
- Dependency updates:
- Update `markdown` to 2.6.10.
- Update `Jinja2` to 2.10.
- Update `setuptools` to 38.2.5.
- Update `sphinx` to 1.6.5.