+PDF properties
+\begin_inset Index
+status collapsed
+
+\begin_layout Plain Layout
+PDF properties
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+The
+\family sans
+Document Settings
+\family default
+ dialog provides under
+\family sans
+PDF Properties
+\family default
+ to set up special options for the PDF output of your document.
+ All options there are provided by the LaTeX-package
+\series bold
+hyperref
+\series default
+
+\begin_inset Index
+status collapsed
+
+\begin_layout Plain Layout
+LaTeX-packages ! hyperref
+\end_layout
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Standard
+Using
+\series bold
+hyperref
+\series default
+ will link all cross-references in the DVI- and PDF-output.
+ This means that the reader of your document will be able to click on a
+ table of contents entry or on a reference and he is shown the referenced
+ document part.
+ You can specify in the dialog tab
+\family sans
+Hyperlinks
+\family default
+ how the links will look like and if links for bibliographical backreferences
+ are created.
+ The backreferences will appear in the bibliography behind the different
+ entries, showing where in the document the entry is referenced.
+\end_layout
+
+\begin_layout Standard
+In the dialog tab
+\family sans
+Bookmarks
+\family default
+ you can set if PDF-bookmarks should be created for every section of your
+ document to make it easier for readers to navigate through the document.
+ You can decide if the bookmarks should be numbered like your document sections
+ or not.
+ With the open bookmarks level you can specify what sectioning level should
+ be displayed in the bookmarks when opening the PDF.
+ For example level
+\begin_inset space ~
+\end_inset
+
+2 will display all sections and subsections, while level
+\begin_inset space ~
+\end_inset
+
+1 will only display the sections.
+\end_layout
+
+\begin_layout Standard
+The header informations in the dialog tab
+\family sans
+General
+\family default
+ are saved together with the PDF as file properties.
+ Many programs are able to extract these informations to e.
+\begin_inset space \thinspace{}
+\end_inset
+
+g.
+\begin_inset space ~
+\end_inset
+
+automatically recognize who is the author and what is the PDF about.
+ This is very useful to sort, classify, or use PDFs for bibliography issues.
+ When the option
+\family sans
+Automatic fill header
+\family default
+ is set, LyX tries to extract the header informations from your document
+ title and author settings.
+\end_layout
+
+\begin_layout Standard
+The option
+\family sans
+Load in fullscreen mode
+\family default
+ will open the PDF in fullscreen mode, which is useful for presentations.
+\end_layout
+
+\begin_layout Standard
+PDF properties are also used in this document.
+ When you look in its document settings, you can see that some additional
+
+\series bold
+hyperref
+\series default
+ options are used.
+ For an explanation of them we refer to the hyperref manual
+\begin_inset CommandInset citation
+LatexCommand cite
+key "hyperref"
+
+\end_inset
+
+.
+\end_layout
+
+\begin_layout Section
+TeX Code and the LaTeX Syntax
+\begin_inset CommandInset label
+LatexCommand label
+name "sec:TeX-Code"