Troubleshooting IntelliJ Add to Custom HTML Tags
When using the IntelliJ editor, you may sometimes accidentally register custom HTML tags. Let’s see how to remove them. The image above shows the screen for reg
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When using the IntelliJ editor, you may sometimes accidentally register custom HTML tags.
Let’s see how to remove them.

The image above shows the screen for registering custom HTML tags.

You can remove them using the menu shown in the image above.
Settings | Editor | Inspections, HTML | Unknown HTML tag inspection, remove it from Custom HTML tags
Delete the tag from Options.