| Preference key | Usage 
 | Default | 
    
      | banner | Location of the banner page to display in the top frame Example:
 banner=/org.eclipse.help.webapp/advanced/banner.html | 
 | 
    
      | banner_height | Height of the banner frame Example:
 banner_height=60 | 
 | 
    
      | help_home | The page to show in the content area when opening help.
Specify your html page as /pluginId/path/to/home.html. | /org.eclipse.help.base/doc/help_home.html | 
    
      | page_not_found | The page to show in the content area when a topic file cannot be 
      opened. If this variable is not specified the browser will show it's 
      default 404 error page. | /org.eclipse.help.base/doc/page_not_found.html | 
    
      | showBreadcrumbs | Set to trueorfalseto control the 
      visibility of breadcrumbs. | true | 
    
      | bookmarksView | Set to trueorfalseto control the 
      visibility of the bookmarks view.Note: this option has no effect in the infocenter.
 | true | 
    
      | indexView | Set to trueorfalseto control the 
      visibility of the index view. | true | 
    
      | windowTitlePrefix | Set to trueorfalseto control the title of
the browser
window. Iftrue, the
title will have a form "Help -<PRODUCT_NAME>",
otherwise the title will be
"<PRODUCT_NAME>",
where<PRODUCT_NAME>is the name of
Eclipse product set in the primary feature. | true | 
    
      | imagesDirectory | Directory containing images used in the help view. Images
must have the same name as those in the org.eclipse.help.webapp
plug-in.
Use the /pluginID/directoryformat. | images | 
    
      | advanced.toolbarBackground | CSS background for toolbars. Value is used in browsers
that display advanced help UI. | ButtonFace | 
    
      | advanced.viewBackground | CSS background for navigation views. Value is used in
browsers that display advanced help UI. May be the empty string. | 
 | 
    
      | advanced.toolbarFont | CSS font for toolbars. Value is used in browsers that
display advanced help UI. | icon | 
    
      | advanced.viewFont | CSS font for navigation views. Value is used in browsers
that display advanced help UI. | icon | 
    
      | advanced.syncDefault | The default boolean value for whether the toc should automatically
      be synchronized with the contents. | true | 
    
      | basic.toolbarBackground | Background color for toolbars. Value is used in browsers
displaying basic help UI. | #D4D0C8 | 
    
      | basic.viewBackground | Background color for navigation views. Value is used in
browsers displaying basic help UI. | #FFFFFF | 
    
      | locales | List of locales that infocenter will recognize and
provide a customized content for; if locales (or languages) accepted by
client browser are not matched with any locales in this list, the
browser will be served content for default locale - the server locale,
or locale specified by eclipse -nlcommand line option; if list is not
specified, the browser will be served contents for its preferred
locale; note: not providing this option may result in a large
memory and disk space requirements as navigations and indexes will be
created for each distinct preferred locale among browsers accessing the
infocenter.Example:
 locales=en ja zh_CN
zh_TW | 
 | 
    
      | productIndex | If per-product, pre-built documentation index is provided with the
product, the ID of the plug-in delivering the index must be specified
to the help system here. | 
 | 
    
      | always_external_browser | Use embedded when possible (on
Windows or Linux), or always external.  Setting to true will force
use of external browser.  Option has no effect if embedded browser
is not available on a given platform. 
 | false | 
    
      | default_browser | Default external browser.  ID of one of the external
  web browsers contributed to org.eclipse.help.base.browser extension
  point that help system will use. The browser's adapter available()method must return true on the current system. This preference controls external browsers in stand-alone help mode.
      In the workbench mode, help uses browsers provided by workbench browser
        support. | default dynamically set based on the browser available on a
given system 
 | 
    
      | custom_browser_path | Executable path for custom browser This preference controls external browsers in stand-alone help mode.
        In the workbench mode, help uses browsers provided by workbench browser
      support. | C:\Program Files\Internet Explorer\IEXPLORE.EXE" %1- on
Windows,
 "konqueror %1"- on
Linux
 "mozilla %1"- on
other platforms | 
    
      | showDisabledActivityTopics | Help system filters topics from disabled
capabilities.  This option controls this behavior and existence
of  Show All Topics button. Accepted values:
 never,off,on,always
 never- topic from
disabled capabilities are not shown
 off- user can
choose to show all topics, disabled topics
initially hidden
 on- user can choose
to show all topics, all topics initially
shown
 always- topic from
disabled capabilities are shown (filtering
disabled) | off | 
    
      | activeHelp | Allows enabling and disabling execution of active help.
The option has no effect in the infocenter setup, where active help is
disabled. Accepted values:
 
 true- default
active help actions enabled
 false- active help
framework disabled | true | 
    
      | restrictTopicParameter | Since 3.4. When true prevents topic parameters with an http or other 
      protocol from causing an external URL to open in the content frame of the 
      infocenter. This improves security and the recommended setting is true. | true | 
    
      | window_infopop | Allows enabling the old-style infopops when help key is pressed in 
		workbench windows. If false, the new dynamic help view will open 
		instead. | false | 
    
      | dialog_infopop
 | Allows enabling the old-style infopops 
		when help key is pressed in dialogs. If false, the new dynamic help 
		window will open instead. 
 | false
 | 
    
      | help_view_open_mode | Controls where links in the help view are opened. Accepted values:
 
 in_place- open documents in the help view
 in_editor- open document in an editor
 in_browser- open document in a browser | in_place | 
    
      | remoteHelpOn
 | Controls whether or not remote help is enabled. Accepted values:
 
 true- remote help enabled
 false- remote help disabled | false
 | 
    
      | The 5 remote help preferences below can each have multiple 
      comma separated values if there is more than one infocenter contributing 
      remote content. | 
    
      | remoteHostName | Specifies a name for this remote host which will appear in the table 
      on the preference page |  | 
    
      | remoteHelpHost
 | Specifies the host name to access for remote help content. This must
      be specified as a host name and cannot be a URL (i.e. do not include "http://"). | 
 | 
    
      | remoteHelpPath
 | Specifies the context root of the Infocenter application running on the
      specified host. |  | 
    
      | remoteHelpPort
 | Specifies the port to use to access remote help content. |  | 
   
    
      | remoteHelpICEnabled | Specifies that the infocenter will contribute remote content |  | 
   
    
      | The four css preferences allow for the control of 
      page appearance by inserting css files into every page served by the help 
      server. Each can each contain zero or more comma separated paths of the 
      form /plugin/path. These paths should contain only ASCII characters. If a path contains ${os} then that will be replaced with the name of the 
      OS, any other parameters of the form ${parameter} are reserved for future 
      use.
 | 
    
      | topic_css | A list of css file(s) to include in every non navigation page served by 
      help system. |  | 
    
      | nav_css | A list of css file(s) to include in every navigation page served by 
      help system | /PRODUCT_PLUGIN/book.css | 
    
      | narrow_css | A list of  css file(s) to include in every page 
      displayed in the help view or help tray . | /PRODUCT_PLUGIN/narrow_book.css,/PRODUCT_PLUGIN/${os}_narrow_book.css | 
    
      | disabled_css | A list of  css file(s) to include in every page 
      served by help system from a capability that is not enabled.. | /PRODUCT_PLUGIN/disabled_book.css |