I think I'm encountering a bug in some combination of imakeidx, xindy, and hyperref, but I don't know which one. The following minimal example generates an empty index, even though it should have one index entry:
\documentclass{article}
\usepackage[xindy]{imakeidx}
\usepackage{hyperref}
\makeindex
\begin{document}
Text.
\index{A|seealso{B}}
\printindex
\end{document}
It should have the entry "A, see also B", but it instead generates an empty index. It works fine if you remove the "hyperref" package or move it before "imakeidx", but in either case other index entries then don't have links back to the pages in the pdf.
Am I doing something wrong here? (Obviously this is a minimal example, but it's a problem in real documents that all of my seealso entries disappear.) If not, which package should I report this bug to?
Edit to add: log file:
This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020/Debian) (preloaded format=pdflatex 2021.2.27) 8 MAR 2021 08:50
entering extended mode
restricted \write18 enabled.
%&-line parsing enabled.
**bugtest.tex
(./bugtest.tex
LaTeX2e <2020-10-01> patch level 4
L3 programming layer <2021-01-09> xparse <2020-03-03>
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Document Class: article 2020/04/10 v1.4m Standard LaTeX document class
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File: size10.clo 2020/04/10 v1.4m Standard LaTeX file (size option)
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Package: xkeyval 2020/11/20 v2.8 package option processing (HA)
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Package: ifxetex 2019/10/25 v0.7 ifxetex legacy package. Use iftex instead.
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Package: iftex 2020/03/06 v1.0d TeX engine tests
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Package: ifluatex 2019/10/25 v1.5 ifluatex legacy package. Use iftex instead.
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Package pdftexcmds Info: \pdf@ifprimitive is available.
Package pdftexcmds Info: \pdfdraftmode found.
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File: pd1enc.def 2020-05-15 v7.00e Hyperref: PDFDocEncoding definition (HO)
Now handling font encoding PD1 ...
... no UTF-8 mapping file for font encoding PD1
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Package: etexcmds 2019/12/15 v1.7 Avoid name clashes with e-TeX commands (HO)
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\Hy@SavedSpaceFactor=\count198
Package hyperref Info: Hyper figures OFF on input line 4464.
Package hyperref Info: Link nesting OFF on input line 4469.
Package hyperref Info: Hyper index ON on input line 4472.
Package hyperref Info: Plain pages OFF on input line 4479.
Package hyperref Info: Backreferencing OFF on input line 4484.
Package hyperref Info: Implicit mode ON; LaTeX internals redefined.
Package hyperref Info: Bookmarks ON on input line 4717.
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Package: url 2013/09/16 ver 3.4 Verb mode for urls, etc.
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LaTeX Info: Redefining \url on input line 5076.
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Package: bitset 2019/12/09 v1.3 Handle bit-vector datatype (HO)
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Package: bigintcalc 2019/12/15 v1.5 Expandable calculations on big integers (HO
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Package hyperref Info: Hyper figures OFF on input line 6347.
Package hyperref Info: Link nesting OFF on input line 6352.
Package hyperref Info: Hyper index ON on input line 6355.
Package hyperref Info: backreferencing OFF on input line 6362.
Package hyperref Info: Link coloring OFF on input line 6367.
Package hyperref Info: Link coloring with OCG OFF on input line 6372.
Package hyperref Info: PDF/A mode OFF on input line 6377.
LaTeX Info: Redefining \ref on input line 6417.
LaTeX Info: Redefining \pageref on input line 6421.
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Package: atbegshi-ltx 2020/08/17 v1.0a Emulation of the original atbegshi packa
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Writing index file bugtest.idx
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File: l3backend-pdftex.def 2020-01-29 L3 backend support: PDF output (pdfTeX)
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(./bugtest.aux)
\openout1 = `bugtest.aux'.
LaTeX Font Info: Checking defaults for OML/cmm/m/it on input line 7.
LaTeX Font Info: ... okay on input line 7.
LaTeX Font Info: Checking defaults for OMS/cmsy/m/n on input line 7.
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LaTeX Font Info: ... okay on input line 7.
LaTeX Font Info: Checking defaults for PD1/pdf/m/n on input line 7.
LaTeX Font Info: ... okay on input line 7.
Package hyperref Info: Link coloring OFF on input line 7.
(/usr/share/texlive/texmf-dist/tex/latex/hyperref/nameref.sty
Package: nameref 2019/09/16 v2.46 Cross-referencing by name of section
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Package: refcount 2019/12/15 v3.6 Data extraction from label references (HO)
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Package: gettitlestring 2019/12/15 v1.6 Cleanup title references (HO)
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\c@section@level=\count273
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LaTeX Info: Redefining \ref on input line 7.
LaTeX Info: Redefining \pageref on input line 7.
LaTeX Info: Redefining \nameref on input line 7.
(./bugtest.out) (./bugtest.out)
\@outlinefile=\write4
\openout4 = `bugtest.out'.
[1
{/var/lib/texmf/fonts/map/pdftex/updmap/pdftex.map}] (./bugtest.ind)
Package imakeidx Warning: Remember to run (pdf)latex again after calling
(imakeidx) `texindy bugtest.idx'.
[2
] (./bugtest.aux)
Package rerunfilecheck Info: File `bugtest.out' has not changed.
(rerunfilecheck) Checksum: D41D8CD98F00B204E9800998ECF8427E;0.
)
Here is how much of TeX's memory you used:
4843 strings out of 481176
77069 string characters out of 5914226
372483 words of memory out of 5000000
21735 multiletter control sequences out of 15000+600000
404035 words of font info for 29 fonts, out of 8000000 for 9000
59 hyphenation exceptions out of 8191
71i,4n,74p,234b,315s stack positions out of 5000i,500n,10000p,200000b,80000s
</usr/share/texlive/texmf-dist/fonts/type1/public/amsfonts/cm/cmbx12.pfb></us
r/share/texlive/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb>
Output written on bugtest.pdf (2 pages, 19849 bytes).
PDF statistics:
26 PDF objects out of 1000 (max. 8388607)
19 compressed objects within 1 object stream
4 named destinations out of 1000 (max. 500000)
1 words of extra memory for PDF output out of 10000 (max. 10000000)
.idx file:
\indexentry{A|hyperindexformat{\seealso{B}}}{1}
.ind file:
\begin{theindex}
\providecommand*\lettergroupDefault[1]{}
\providecommand*\lettergroup[1]{%
\par\textbf{#1}\par
\nopagebreak
}
\end{theindex}
main.tex, you have to run: 1)pdflatex main.tex2)texindy main.idx3)pdflatex main.texIf you look in the .log file you will find this: "Package imakeidx Warning: Remember to run (pdf)latex again after calling (imakeidx) texindy temp.idx'.