The `query()` usage notes contain this code sample:
query(':self, .record:enter, .record:leave, @subTrigger', [...])
TypeScript's JSDoc parser treats whitespace followed by `@subTrigger` as the
start of a new tag, even inside a fenced code block. The extraction ends up with
a 145 character `@usageNotes` cut off mid-sample and a phantom `@subTrigger` tag
holding the remaining 2453 characters, which the renderer discards.
The result is that https://angular.dev/api/animations/query ends mid-line inside
that code block. The "Entering and Leaving Elements" and "Usage Example"
sections never render, and the two links pointing at the first of them, one in
the same JSDoc and one in guide/animations/complex-sequences, both dead-end.
Move the `@` token to the front of the selector so it follows a quote rather
than a space. Order within a comma separated selector list is irrelevant, and
the sample's own prose describes it as a set of tokens merged into one string.
The rendered page grows from 7109 to 21269 bytes and gains the
`entering-and-leaving-elements` and `usage-example` anchors. Rebuilding
//adev/src/assets:content with and without the change alters 1 of 1565 pages.
(cherry picked from commit d0a748cc1b)
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