Steps to Reproduce:
- Open a sample page with "Portály" template on cswiki (eg. Fritz Wolfgang London).
- Select the template at the bottom of the page and copy it (Ctrl+C).
- Open a random page for editing.
- Paste the template (Ctrl+V).
- Nothing is pasted, possibly an empty line.
- The template is pasted with all its parameters.
This issue is specific to this template.