How to style the headers in in-dexter?

Questions
,
1

in-dexter seems to use the defined headings for headings within the index (for each letter of the alphabet?). I have show rules for the level 2 and 3 which change the appearance of the number and add space. How can iI override this for in-dexter or change the header level it uses internally?

2

The only way as kar as I know would be to scope these show rules for the “main” section,

#[
// main document
#show heading.where(level: 2): ...

== Styled Heading
...
]

== Unstyled Heading

in-dexter accepts a function for the section-title parameter, so you can set it to e.g. level 4, or even customise it further if you wish:

#make-index(
  section-title: (letter, counter) => heading(
    level: 4, 
    numbering: none, 
    outlined: false, 
    letter
  )
)
3

the function worked perfectly, even allowed multiple column which had caused issues before. Thanks a lot!