LaTeX/Indexing. Especially useful in printed books, an index is an alphabetical list of words and expressions with the pages of the book upon which they are to be found. LaTeX supports the creation of indices with its package makeidx, and its support program makeindex, called on some systems makeidx.
index – Extended index for LaTeX including multiple indexes. This is a reimplementation of LaTeX's indexing macros to provide better support for indexing. For example, it supports multiple indexes in a single document and provides a more robust \index command.
The package predates LaTeX2e; it doesn't work with the AMS classes, and index headings won't be formatted corresponding to other chapter/section headings. index "supports multiple indexes in a single document and provides a more robust \index command". The package also offers \index* which typesets a word and creates an index entry for it as well.
LaTeX however treats multiple spaces the same as a single space, so the text will appear the same in the index. LaTeX says that the command \printindex is undefined. You . First of all I have to say I’m Spanish, so I’m sorry for any mistakes in my English. Also, I’m very new at LaTeX. I'm using the songs package to create a songs book. I've been able to typeset songs with chords but I cant find the way to generate a “Title Index” or an “Author Index” at the beginning of the book.