fix data:image handling

[git.ikiwiki.info.git] / doc / templates.mdwn

diff --git a/doc/templates.mdwn b/doc/templates.mdwn
index 33e02b96df91f28b87d8004eabf19f7f61c278a0..9ed9b838df4585bfd36b951e042b8e98e7d7c498 100644 (file)
--- a/doc/templates.mdwn
+++ b/doc/templates.mdwn
@@ -26,9 +26,9 @@ Using a template works like this:
 This fills out the [[note]] template, filling in the `text` field with
 the specified value, and inserts the result into the page.
 
-A value can include any markup that would be allowed in the wiki page
-outside the template. Triple-quoting the value even allows quotes to be
-included in it. Combined with multi-line quoted values, this allows for
+Generally, a value can include any markup that would be allowed in the wiki
+page outside the template. Triple-quoting the value even allows quotes to
+be included in it. Combined with multi-line quoted values, this allows for
 large chunks of marked up text to be embedded into a template:
 
         \[[template id=foo name="Sally" color="green" age=8 notes="""
@@ -43,13 +43,15 @@ To create a template, simply add a template directive to a page, and page will
 provide a link that can be used to create the template. The template is a
 regular wiki page, located in the `templates/` directory.
 
-The template uses the syntax used by the
-[cpan HTML::Template](http://search.cpan.org/search?mode=dist&query=HTML::Template)
-perl module, which allows for some fairly complex things to be done.
-Consult its documentation for the full syntax, but all you really need to know
-are a few things:
+The template uses the syntax used by the [[cpan HTML::Template]] perl
+module, which allows for some fairly complex things to be done. Consult its
+documentation for the full syntax, but all you really need to know are a
+few things:
 
-* To insert the value of a variable, use `<TMPL_VAR variable>`.
+* To insert the value of a variable, use `<TMPL_VAR variable>`. Wiki markup
+  in the value will first be converted to html.
+* To insert the raw value of a variable, with wiki markup not yet converted
+  to html, use `<TMPL_VAR raw_variable>`.
 * To make a block of text conditional on a variable being set use
   `<TMPL_IF NAME="variable">text</TMPL_IF>`.
 * To use one block of text if a variable is set and a second if it's not,
@@ -58,7 +60,7 @@ are a few things:
 Here's a sample template:
 
         <span class="infobox">
-        Name: <TMPL_VAR name><br />
+        Name: [[<TMPL_VAR raw_name>]]<br />
         Age: <TMPL_VAR age><br />
         <TMPL_IF NAME="color">
         Favorite color: <TMPL_VAR color><br />
@@ -75,3 +77,7 @@ The filled out template will be formatted the same as the rest of the page
 that contains it, so you can include WikiLinks and all other forms of wiki
 markup in the template. Note though that such WikiLinks will not show up as
 backlinks to the page that uses the template.
+
+Note the use of "raw_name" inside the [[WikiLink]] generator. This ensures
+that if the name contains something that might be mistaken for wiki markup,
+it's not converted to html before being processed as a [[WikiLink]].