Steps to replicate the issue (include links if applicable):
- On English Wikipedia, edit a blank page (a sandbox of some flavor). Add __NEWSECTIONLINK__ to turn on DiscussionTools. Make a line with something like ABC ~~~~ so as to trigger the reply tool. Save.
- Click the reply button.
- Add something like {{tq|DEF}} ~~~~
What happens?:
The preview of the comment is missing the styles that should be present due to its TemplateStyles tag.
The appropriate styles (post save):
What should have happened instead?:
Styles should be present in the preview version.
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):
Doesn't appear to be an issue when the template is already present on the page, as one might find by replying to the post-save state of the replication steps above. Meaning the styles are loaded in that scenario.
Wondering if it might be related to T428215: The CSS-subpages of templates and CSS in Styles tab of Index pages is broken in the Page NS given the timing, which would make it a Parsoid issue most likely. Tagging for Parsoid read views as such.