HTML tags are omitted from merge request titles
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## How to reproduce
Enter this title into your MR: `123 <test> 123`
### Expectation
The title should be `123 <test> 123`. `<test>` is escaped and spelled out as-is.
### Reality
The title is `123 123`.
### Workaround
Put backticks around the tag. This works: ``123 `<test>` 123``
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