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The WikiTrails feature allows wiki authors to create "trails" through sequences of pages in the wiki. You simply specify pages and their order on a "trail index", and then place the navigation markup on the pages that you will be navigating.
Creating a trail
Before you can use a trail through a group of pages, you have to create a "trail index" on a separate page, which we will call the "trail index page".
On that trail index page, you simply create a numbered or bulleted list of links. (So every numbered or bulleted list of links implicitly creates a trail.)
It is important that each page name (link) be the first item following each bullet; any text or formatting in front of the page name will exclude it from the trail.
An example trail index page might contain the list:
The list above creates the following "wikitrail", displayed using a pagelist:
PmWiki defines 2 trail markups:
Trail link syntax
The trail link has the same syntax as a standard link, this means for example you can specify
Trail links can be restricted by anchors (links to a specific location within a page), this means you can have more than one trail on a page, or start a trail from a specific location in a page.
Using the trail
What makes a trail "work" is adding trail markup on the pages in the trail (i.e. the pages that are listed in the bullet/numbered list on the trail index page).
To build a trail, add trail markup like
The trail markup can be placed anywhere in a page, and a page can contain multiple trail markups. If you are adding a trail to every page in a group, consider setting the trail markup in the GroupHeader or GroupFooter pages instead of on every individual page in your group.
Wiki administrators can change the trail separator of the "path" trail (
Typically, a trail is a linear list with a first and a last page. However, the trail can be made "circular" by repeating the first page as the last item in the trail index:
* [[TrailPage1]] * [[TrailPage2]] ... * [[TrailPageN]] * [[TrailPage1]]
If the trail index page is intended to be read by others, the last item can be made invisible inside an
* [[TrailPage1]] * [[TrailPage2]] ... * [[TrailPageN]] (:if false:) * [[TrailPage1]] (:ifend:)
Cross Group Trails
Before version 2.2.1, if your trail contains pages in different groups, it should use full [[Group.Name]] links instead of just [[Name]].
PmWiki encapsulates the trail with a wikitrail css class. This allows the wiki trail to be customised by defining CSS for the wikitrail in the local.css file.
Trail in page lists
Trails from a single page can only be displayed using the pagelist trail parameter. For example
A simple example of a WikiTrail
1) On the TrailIndexPage:
* [[MyTrailPage1]] * [[MyTrailPage2]] * [[MyTrailPage3]]
2) On the pages MyTrailPage1, 2, and 3:
What's the difference between a PageList and a WikiTrail?
The pagelist directive dynamically generates a list of pages. There are many ways to generate the list, including using a WikiTrail as the source. The pagelist directive then displays the pages that match the criteria using an optional template - for example displaying each page name on a separate line as a link or including the entire content. The pagelist directive currently does not have built-in navigation markup that you can put on the pages in the list. By contrast, WikiTrails are simply specified via links on an "index" page and you can put previous-next navigation markup on each page. The two serve very different purposes. WikiTrails are useful for specifying the pages in web feeds, for creating a "tour" through a predefined set of pages, and many other things.