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# 7 Options for the Adobe / PDF Document

As we mentioned in Section 4 above, there are a number of options for the `hyperref` package that control the properties of the Adobe / PDF document.

In this section we give a brief overview of some of these options; it is however worth the reader's while to look at the `hypperef` documentation as there are various other options which might also be useful.

In general, an option is declared by putting it in square brackets after the `\usepackage` command. Multiple options are separated by commas, and text of textual options goes in braces: for example

```\usepackage[linkcolor=blue,pdfauthor={C. Clayton}]{hyperref}
```

The document example.tex provides further examples.

## Options for Generating Bookmarks

To convert the LATEX document structure (i.e. your `\section`s, etc.) to bookmarks in the PDF document, use one or more of the following options:
• `bookmarks` -- the basic functionality is turned on;
• `bookmarksopen` -- the bookmarks appear expanded;
• `bookmarksnumbered` -- the LATEX document section numbers are included in the bookmark.

• `colorlinks` -- produce colour hyperlinks; the colours are controlled by the options that follow;
• `linkcolor` -- the colour for internal links (e.g. in the table of contents);
• `urlcolor` -- the colour for external links (e.g. to the www);
• `citecolor` -- the colour for bibliographic citations.

Note that there are various other types of links for which colours can be defined. See the `hyperref` documentation for more details. Example colours are `black`, `green`, `blue`, `red`, `magenta`, `cyan`.

## PDF Document Information

Various PDF document information fields can be filled in using package options. For example,
• `pdfauthor` -- the name of the author;
• `pdftitle` -- the title;
• `pdfkeywords` -- the keywords;
• `pdfsubject` -- the subject.

## Other Options

As mentioned in Section 4, it is a good idea to include the `dvipdfm` option as well.