Problem with deep linking to headings

[parisa (Pari)]

Previously, something like the following would work perfectly. but now it doesn’t. whats the problem?

(reference)

**1- [go to heading 1](#1)**
1- go to heading 1
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<h3 id='1'>1- </h3>

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[codinghorror (Jeff Atwood)]

I believe there was a recent security fix here that prevents arbitrary class IDs in HTML, as they can lead to CSS griefing.

[parisa (Pari)]

What does it mean? I cant quite get you.

[Falco]

@parisa

What does it mean?

As said in the official topic your heading id must be in the form <h3 id='heading--link-to-me'>Link to me</h3> . It always need to start with heading--.