[tw5] The title of the tab is duplicate

Any ideas?

A tab label is the title of the tiddler… unless the tiddler has a caption field with a value! And since multiple tiddler can have identical caption values…


How can i fix it ?

When I view the $:/core tiddler (or any other plugin tiddler) on https://TiddlyWiki.com, the tabs only show their text once (e.g., “readme” and “contents”).
Have you installed any other plugins or made any modifications to shadow tiddlers that might affect the tabs display?


I finally found the problem. I made some modifications in CodeBlockWidget to render a copy button. How can this affect the tab?

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