The LyX-Wiki tells me that it is possible for an index to reference an other one. A possible output could be


Bar, see Foo

Foo, 9

which is invoked by Bar|see{Foo}, so the wiki states. But this simply does not work for me. Just to make sure I didn't miss anything:

  1. I hit INSERT then selected INDEX near the word Foo.
  2. Then I typed Foo into the small "area".
  3. I did the same with Bar but here I typed Bar|see{Foo} into that area.

The result I get is



Bar is completely missing in the index.

What do I miss?


1 Answer 1


A small piece of information is missing from the wiki, but can be found in the User guide (Help --> User guide, in LyX), section 6.6.3:

It is also possible to refer to another index entry. We referred for example in the index entry “GIF” (in section [sub:Image-Formats]) to the index entry “Image formats” in the same section using the entry

GIF|see{Image formats}

where the braces have to be inserted as TeX Code. The text within the braces is the referenced entry. The reference will appear in the output without a page number.

Emphasis mine.

In other words, in bar|see{foo} put {foo}, or just the braces in {foo}, in an ERT, e.g. by selecting it and hitting Ctrl + L.

  • Is it possible to cross reference a grouped index entry? For example, GIF|see{File types ! Image formats}. I can't seem to manage it through various attempts, yet I can make GIF|see{File types} work.
    – JFlo
    Mar 12, 2019 at 18:43
  • @JFlo I don't really know how it's supposed to look, but that seems to work fine here. Mar 12, 2019 at 19:16
  • what version are you using and what render format? For me with Lyx v2.3.2 and PDF, my first example never does not appear in the index at all.
    – JFlo
    Mar 13, 2019 at 20:11
  • @JFlo 2.3.1, output to PDF with pdflatex. Here's an example LyX file: gist.github.com/TorbjornT/601a6092e83bfc7468c7a6723c2b883b Mar 13, 2019 at 20:18
  • Ok, but what I am trying to accomplish is this: gist.github.com/jflorian/15a8871eeca481f48442d83a2c46299c. Note the bang in the cross-ref.
    – JFlo
    Mar 15, 2019 at 12:40

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