List of steps to reproduce (step by step, including full links if applicable):
- Visit a non-existing talk page and open the new topic form.
- Insert some text into the message field, but leave the title empty.
- Publish.
What happens?:
The topic is created with an empty heading (== ==). Example: link.
What should have happened instead?:
There is no heading after publishing with an empty title.
Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc.:
MW: 1.39.0-wmf.17 (27d58b4)
DT: 0.0.0 (d5d896a)
Original report: https://cs.wikipedia.org/wiki/Wikipedie:Pod_l%C3%ADpou_(technika)#Nov%C3%A9_t%C3%A9ma_vkl%C3%A1d%C3%A1_pr%C3%A1zdn%C3%BD_nadpis
