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TWiki Preferences


TWiki Site-Level Preferences

The following are site-level settings that affect all users in all webs on this TWikiSite. They can be selectively overwritten on the individual web level (see WebPreferences in each web), topic level (the topic being rendered), and on the user level (create preferences in your user account topic in the Main web, ex: TWikiGuest).

  • ALERT! NOTE: You can lock individual settings at the site or web levels using User & Group Access Control - see section below.

Extra Default Web Preferences

  • Set TABLEATTRIBUTES = tableborder="0" cellpadding="5" cellspacing="0" headerbg="#d9e3ea" headercolor="#005aa0" databg="#ececec,#f6f6f6"

Default Web Preferences

ALERT! NOTE: They are typically redefined in individual WebPreferences topics

  • List of selected topics in a web - the second line of the upper toolbar (usually overwritten in individual WebPreferences):

  • Web specific background color: (is overwritten by web preferences)

  • Copyright notice:
    • Set WEBCOPYRIGHT = Copyright © 1999-2020 by the contributing authors. \nAll material on this collaboration platform is the property of the contributing authors.
      \nIdeas, requests, problems regarding TWiki? Send feedback

  • Simplified Copyright notice for the WebRss feed (don't use any special characters, xml tags or WikiWords)
    • Set WEBRSSCOPYRIGHT = Copyright 2020 by contributing authors

  • Exclude web from a web="all" search: (Set to on for hidden webs; is overwritten by web preferences)

  • Prevent automatic linking of WikiWords and acronyms (if set to on); link WikiWords (if empty); can be overwritten by web preferences:
    • Set NOAUTOLINK =
    • Note: Use the [[...][...]] syntax to link topics in case you disabled WikiWord linking. The <noautolink> ... </noautolink> syntax can be used to prevents links within a block of text.

  • Warn if %INCLUDE{}% of topic fails: Fail silently (if empty or off); output "Warning: Can't INCLUDE Topic, topic not found" (if set to on); else, output specific text (use $topic for topic). You can override this setting by web preferences and by a warn="..." parameter in %INCLUDE{}% :
    • Set INCLUDEWARNING = Note: Included topic $topic? does not exist yet

Default User Settings

ALERT! NOTE: They are typically redefined in topics of individual TWikiUsers

  • Show tool-tip topic info on mouse-over of WikiWord links. Setting can be on, off, or customized. An empty setting or off setting disables the tool-tips (for better performance). The setting can contain $summary to show the topic summary, $date for the last change date, $rev for the revision, $username for the login name of the last editor, $wikiname for the WikiName, $wikiusername for Main.WikiName, $topic for the topic name, and $web for the web name
    • #Set LINKTOOLTIPINFO = $username - $date - $rev: $summary

  • Horizontal size of text edit box: (can be overwritten by user preferences)
    • Set EDITBOXWIDTH = 70

  • Vertical size of text edit box: (can be overwritten by user preferences)
    • Set EDITBOXHEIGHT = 35

  • Style of text edit box. Set to width: 99% for full window width (default; this will overwrite the EDITBOXWIDTH setting), or width: auto to disable. This setting works for IE and some other recent browsers. (can be overwritten by user preferences)
    • Set EDITBOXSTYLE = width: 99%

  • Default state of the Release edit lock (UnlockTopic) check box in preview. Checkbox is initially checked if Set RELEASEEDITLOCKCHECKBOX = checked="checked", or unchecked if empty. If checked, make sure to click on Edit to do more changes; do not go back in your browser to the edit page, or you risk that someone else will edit the topic at the same time: (can be overwritten by user preferences)

  • Default state of the Minor Changes, Don't Notify (DontNotify) check box in preview. Check box is initially checked if Set DONTNOTIFYCHECKBOX = checked="checked", or unchecked if empty: (can be overwritten by user preferences)

  • Default state of the link check box in the attach file page. Checkbox is initially checked if Set ATTACHLINKBOX = checked="checked", or unchecked if empty (Set ATTACHLINKBOX =). If checked, a link is created to the attached file at the end of the topic: (can be overwritten by user preferences)

  • Format of file link when the link check box is checked: (can be overwritten by user preferences)
    • HELP NOTE: Keyword $name gets expanded to filename; $comment to comment; \t to tab (3 spaces for bullets).
    • Set ATTACHEDFILELINKFORMAT = \t* $name?: $comment

  • Format of images when the link check box is checked: (can be overwritten by user preferences)
    • HELP NOTE: Keyword $name gets expanded to filename; $comment to comment; $size to width="..." height="..." attribute of img tag; \t to tab (3 spaces for bullets).
      * Set ATTACHEDIMAGEFORMAT = \t* $comment: <br />
        <img src="%ATTACHURLPATH%/$name" alt="$comment" $size />

TWiki Platform Settings

  • TWiki site name:
    • Set WIKITOOLNAME = TWiki

  • Image, URL and alternate tooltip text of TWiki logo: (can be overwritten by web preferences)
    • Set WIKILOGOIMG = /pub/TWiki/TWikiLogos/twikiRobot46x50.gif
    • Set WIKILOGOALT = TWiki home

  • Maximum size of FileAttachments in KB, 0 for no limit:

  • Broadcast message for skins supporting a %BROADCASTMESSAGE% at the top of the page: (IMPORTANT: Set to empty message if not used; #Comment out unused messages)
      NOTE: Edit and Attach will be disabled today between 05:00 PM and 06:00 PM PDT (00:00 to 01:00 GMT) for a scheduled TWiki maintenance.
    • If you use PatternSkin:
      NOTE: Edit and Attach will be disabled today between 05:00 PM and 06:00 PM PDT (00:00 to 01:00 GMT) for a scheduled TWiki maintenance.

Search Settings

  • Default type for search, one of: keyword (for search engine like syntax), regex (for RegularExpression search), or literal (for verbatim search)
    • Set SEARCHDEFAULTTTYPE = keyword
  • Default for %SEARCH{}% variable, one of: keyword, regex, or literal
  • Stop words, e.g., common words and characters to exclude from a keyword search:
    • Set SEARCHSTOPWORDS = a, all, am, an, and, any, as, at, b, be, by, c, d, e, for, from, g, h, how, i, i'm, i.e., in, is, isn't, it, it's, its, j, k, l, m, n, o, of, on, or, p, q, r, s, t, that, that's, the, this, to, u, v, w, was, wasn't, what, what's, when, where, who, who's, will, with, x, y, z

Email and Proxy Server Settings

  • TWiki webmaster name (first name and last name, e.g. Fred Smith):
    • Set WIKIWEBMASTERNAME = Eelco Visser

  • Mail host for outgoing mail. This is used for WebChangesAlert if Perl module Net::SMTP is installed. If not, or if SMTPMAILHOST is empty, the external sendmail program is used instead (defined by $mailProgram in TWiki.cfg). Examples: or localhost

  • Mail domain sending mail. SMTP requires that you identify the TWiki server sending mail. If not set, Net::SMTP will guess it for you. Ex:

  • Proxy Server. Some environments require outbound HTTP traffic to go through a proxy server. Set the host in PROXYHOST (example:, and the port number in PROXYPORT (example: 8080). No proxy is used if PROXYHOST or PROXYPORT is empty.
    • Set PROXYHOST =
    • Set PROXYPORT =

Email Link Settings

  • 'Mail this topic' mailto: link - can be included in topics, templates or skins

  • 'Mail this topic' link text
    • Set MAILTHISTOPICTEXT = Send a link to this page

  • URL for current topic
    • Set TOPICURL = /view/TWiki/TWikiPreferences


  • http-equiv meta tags for view, rdiff, attach, search* scripts:
      * #Set HTTP_EQUIV_ON_VIEW = 
      * Set HTTP_EQUIV_ON_VIEW =  <link rel="alternate" type="application/rss+xml" title="RSS Feed" href="%SCRIPTURL%/view%SCRIPTSUFFIX%/%WEB%/WebRss?skin=rss&amp;contenttype=text/xml" />

  • http-equiv meta tags for edit script:
      * Set HTTP_EQUIV_ON_EDIT = 

  • http-equiv meta tags for preview script:

Skin Settings

  • Skin overriding the default TWiki templates: (can be overwritten by WebPreferences and user preferences)
    • Set SKIN = flexpattern


  • Using attachments for styles
    • Set TWIKILAYOUTURL = /pub/TWiki/PatternSkin/layout.css
    • Set TWIKISTYLEURL = /pub/TWiki/PatternSkin/style.css


  • Theme: (gray, monochrome, tabstyle)
    • Set DS_THEME = gray
  • Quicklinks headings:
  • Quicklinks submenu:

Plugins Settings

  • TWikiPlugins configuration: All plugin modules that exist in the lib/TWiki/Plugins directory are activated automatically unless disabled by DISABLEDPLUGINS. You can optionally list the installed plugins in INSTALLEDPLUGINS. This is useful to define the sequence of plugin execution, or to specify other webs then the TWiki web for the plugin topics. Specify plugins as a comma separated list of topics.

Miscellaneous Settings

  • Line break:
    • Set BR =

  • Bullet sign:
    • Set BULLET = •

  • Line break and bullet with different levels of indentation:
    • Set BB =
    • Set BB2 =
    • Set BB3 =
    • Set BB4 =

  • Colored text: (see more StandardColors)
    You type: %RED% red text %ENDCOLOR% and %GREEN% green text %ENDCOLOR%
    You get: red text and green text
    • Note: %<color>% text must end with %ENDCOLOR%. If you want to switch from one color to another one you first need to end the active color with %ENDCOLOR%, e.g. write %RED% some text %ENDCOLOR% %GREEN% more text %ENDCOLOR%.
    • Set YELLOW = looks like this
    • Set ORANGE = looks like this
    • Set RED = looks like this
    • Set PINK = looks like this
    • Set PURPLE = looks like this
    • Set TEAL = looks like this
    • Set NAVY = looks like this
    • Set BLUE = looks like this
    • Set AQUA = looks like this
    • Set LIME = looks like this
    • Set GREEN = looks like this
    • Set OLIVE = looks like this
    • Set MAROON = looks like this
    • Set BROWN = looks like this
    • Set BLACK = looks like this
    • Set GRAY = looks like this
    • Set SILVER = looks like this
    • Set WHITE = looks like this (with gray background)
    • The following color settings are enclosed in verbatim tags to avoid incorrect nesting of XHTML tags:
      * Set YELLOW = <font color="#ffff00">
      * Set ORANGE = <font color="#ff6600">
      * Set RED = <font color="#ff0000">
      * Set PINK = <font color="#ff00ff">
      * Set PURPLE = <font color="#800080">
      * Set TEAL = <font color="#008080">
      * Set NAVY = <font color="#000080">
      * Set BLUE = <font color="#0000ff">
      * Set AQUA = <font color="#00ffff">
      * Set LIME = <font color="#00ff00">
      * Set GREEN = <font color="#008000">
      * Set OLIVE = <font color="#808000">
      * Set MAROON = <font color="#800000">
      * Set BROWN = <font color="#996633">
      * Set BLACK = <font color="#000000">
      * Set GRAY = <font color="#808080">
      * Set SILVER = <font color="#c0c0c0">
      * Set WHITE = <font color="#ffffff">
      * Set ENDCOLOR = </font>

  • Graphics used in TWiki documentation - view all images in TWikiDocGraphics. (There are various ways to set up common icons as text variables. This is simply one quick approach.):
    • Set H = HELP
    • Set I = IDEA!
    • Set M = MOVED TO...
    • Set N = NEW
    • Set P = REFACTOR
    • Set Q = QUESTION?
    • Set S = PICK
    • Set T = TIP
    • Set U = UPDATED
    • Set X = ALERT!
    • Set Y = DONE

  • Background color of non existing topic: ( default cornsilk or #FFFFCE )

  • Font color of non existing topic: ( default #0000FF )

  • PreviewBackground image:
    • Set PREVIEWBGIMAGE = /pub/TWiki/PreviewBackground/preview2bg.gif

Access Control Settings

Preferences Control Settings

  • Allow topic level preferences, on or off: If set to on, topic preferences will be read, and will override any web- or site-level preferences not set as FINALPREFERENCES. By default, user preferences will override topic preferences.

  • Topic level overrides user level preferences, on or off: If set to on, topic preferences will override user preferences. The user can in turn override this behavior by setting further FINALPREFERENCES in his or her user topic.

  • Site-level preferences that are not allowed to be overridden by WebPreferences and user preferences:

Creating New Preference Variables

You can introduce new VARIABLES and use them in your topics and templates. There is no need to change the TWiki engine (Perl scripts).

  • A preference is defined in a TWikiShorthand bullet item: [3 spaces] * [space] Set NAME = value
    Example (as a nested bullet item, indented 6 spaces):
  • Preferences are used as TWikiVariables by enclosing the name in percent signs: %. Example:
    • When you write variable %WEBBGCOLOR%, it gets expanded to #FFD8AA .

  • ALERT! The sequential order of the preference settings is significant. Define preferences that use other preferences FIRST. For example, set WEBCOPYRIGHT before WIKIWEBMASTER since the copyright notice uses the webmaster email address.

Related Topics

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