What's the proper way to center `outline.title`?

Questions
,
1

The title generated by outline is left-aligned by default. What’s the proper way to center it?

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My attempts

Test code 
#set page(width: 240pt, margin: 15pt, height: auto)

// #set .. or #show ...

#outline()
= Heading

Method A

The naive method:

#set outline(title: align(center)[Contents])

But no effect:

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Method B

From How to center `outline` title? · typst/typst · Discussion #2004 · GitHub in 2023:

#show outline: it => {
  show heading: set align(center)
  it
}

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It works, but is it still relevant today? Are there any side effects?

Method C

After checking the source code, I realize that outline.title will be put inside a heading, and come up with the following.

#set outline(title: block(width: 100%, align(center)[Contents]))

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Is it suitable to put block and align in a heading?

2

Method B seems best since it separates presentation and content better.

Method C: every heading is already wrapped in a block. Adding a block around just the title will not work well with heading numbering, if one would want that.

3

Okay, I’ll go with the B.

The problem originates from the inconsistency in formatting between the outline’s title and regular headings in the main text. (If I were to design the format, I wouldn’t do it.) Therefore, a little complexity is acceptable.

5

Really?! You mean Typst 0.14?

6

Please disregard, it does not work.

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