#TeXLaTeX question:

I use imakeidx for creating my indices, and while it works, the indices get awfully long - one particular sub-index has now reached a length of more than 150 pages, which is hard to navigate.

Is there any way of subdividing that index by letter (i.e. "A", "B", "C", and so forth) and adding these to the Table of Contents?

How to make an alphabetically ordered index using imakeidx package?

I am creating a thesis template The problem I am running into while making an index is I want to produce an index page that will look like: Index P Picard, 2 W Warp factor, 11 Right now it looks...

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@mair @juergen_hubert That, or https://ctan.org/pkg/gindex and redefining the \indexheading command.

I haven't seen a ready-made package for index section headings among what I have installed.

CTAN: Package gindex

@juergen_hubert the indexing processor can add commands to letter groups. For example xindex, which has full Unicode and multilingual support. I've created a MWE which includes letter groups as subsections in TOC here: https://gist.github.com/michal-h21/b3ee9fb221461fb98f3134171f021940
build.sh

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