[Tex/LaTex] “See also” in index entries

cross-referencingindexing

LaTeX's indexing packages makeindex and xindy provide good support for the basic features of an index: runs of pages, nested index sub-entries, and cross-references of the form:

Yurmurm-Peffifoss, Rudwooll, see Peffifoss, Rudwooll Y.

Well and good. However, my indexer also demands an additional type of index entry, the "see also". A see-also entry combines page references and cross-references into a single item:

Peffifoss, Rudwooll Y., 58–59, 65; see also "The Preoccupation of Mr. Peffifoss"; Thurber, James, nightmarish bureaucratic fantasies of

Is there a ready-made command for such an entry?

Best Answer

makeidx package provides the command \seealso, which does exactly this and has the same syntax as \see

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[Tex/LaTex] Change index “see also” and “see” format

SECOND EDIT

(I don't know what is the usual practice. I have left the initial answer and edit at the bottom and the new one here at the start).

To fullfill all the requirements, instead of manipulating the argument of \index, I have made three new commands with two arguments to take care of it. The first argument is the entry in the index and the second the see text. The commands are:

\seeonlyindex{<index entry>}{<see text>} 
\alsoindex{<index entry>}{<see text>} 
\Alsoindex{<index entry>}{<see text>}

The result is:

The complete code is:

\documentclass{book}
\usepackage{makeidx}

\newcommand\gobbleone[1]{}
\newcommand{\seeonly}[2]{\ (\emph{\seename} #1)}
\newcommand{\also}[2]{\unskip(\emph{\alsoname} #1)}
\newcommand{\Also}[2]{\unskip\emph{See also} #1}
\let\oldindex\index
\renewcommand{\index}[1]{\def\exptoindex{#1}\expandafter\oldindex\expandafter{\exptoindex}}

\newcommand{\seeonlyindex}[2]{\index{#1@#1\protect\gobbleone|seeonly{#2}}}
\newcommand{\alsoindex}[2]{\index{#1!zzzz@\protect\gobbleone|also{#2}}}
\newcommand{\Alsoindex}[2]{\index{#1!zzzz@\protect\gobbleone|Also{#2}}}

\makeindex

\begin{document}

This is a short book about zero. Therefore, it's also about nothing.
Which means null (or nil).

\index{nothing}
\index{nothing!nil}
\index{nothing!nil!and zero}
\alsoindex{nothing!nil}{null elements}
\index{nothing!null}
\Alsoindex{nothing}{zero elements}
\index{null elements}

\seeonlyindex{zero}{zero elements}
\index{zero elements}

\printindex

\end{document}

OLD SECTION

To avoid the use of |gobbleone to get rid of the page numbers, you have to insert the commands the makeidx way with | and not the LaTeX way with \.

To have these entries in the last place, you still will need \gobbleone to eliminate the comma.

\index{nothing!nil!zzzz@\gobbleone|also{null elements}}

(edited to remove unwanted space)

An additional command \lastentrymakes typing easier, but the \index command must be renewed and then a \def is required to have the content of \index expanded.

The complete code: (edited to remove unwanted space)

\documentclass{book}
\usepackage{makeidx}

\newcommand\gobbleone[1]{}
\newcommand{\seeonly}[2]{\ (\emph{\seename} #1)}
\newcommand{\also}[2]{\unskip(\emph{\alsoname} #1)}
\newcommand{\Also}[2]{\unskip\emph{See also} #1}

\makeindex

\begin{document}

This is a short book about zero. Therefore, it's also about nothing.
Which means null (or nil).


\let\oldindex\index
\renewcommand{\index}[1]{\def\exptoindex{#1}\expandafter\oldindex\expandafter{\exptoindex}}
\newcommand{\lastentry}{!zzzz@\protect\gobbleone}

\index{nothing}
\index{nothing!nil}
%\index{nothing!nil!zzzz@\gobbleone|also{null elements}}
\index{nothing!nil\lastentry|also{null elements}}
\index{nothing!null}
%\index{nothing!zzzz@\gobbleone|Also{zero elements}}
\index{nothing\lastentry|Also{zero elements}}
\index{null elements}

\index{zero|seeonly{zero elements}}
\index{zero elements}

\printindex

\end{document}

Best Answer

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[Tex/LaTex] Change index “see also” and “see” format

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