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-The `postsparkline` directive is supplied by the [[!iki plugins/postsparkline]] plugin.
-
-This directive uses the [[!iki plugins/sparkline]] plugin to create a
-[[sparkline]] of statistics about a set of pages, such as posts to a blog.
-
-# examples
-
-	Post interval: 
-	\[[!postsparkline pages="blog/* and !*/Discussion" max=100
-	formula=interval style=bar barwidth=2 barspacing=1 height=13]]
-	
-	Posts per month this year: 
-	\[[!postsparkline pages="blog/* and !*/Discussion" max=12
-	formula=permonth style=bar barwidth=2 barspacing=1 height=13]]
-
-# usage
-
-All options aside fron the `pages`, `max`, `formula`, `time`, and `color`
-options are the same as in [[sparkline]] directive.
-
-You don't need to specify any data points (though you can if you want to).
-Instead, data points are automatically generated based on the creation
-times of pages matched by the specified `pages` [[ikiwiki/PageSpec]]. A
-maximum of `max` data points will be generated.
-
-The `formula` parameter controls the formula used to generate data points.
-Available forumlae:
-
-* `interval` - The height of each point represents how long it has been
-  since the previous post.
-* `perday` - Each point represents a day; the height represents how
-  many posts were made that day.
-* `permonth` - Each point represents a month; the height represents how
-  many posts were made that month.
-* `peryear` - Each point represents a day; the height represents how
-  many posts were made that year.
-
-The `time` parameter has a default value of "ctime", since forumae use
-the creation times of pages by default. If you instead want
-them to use the modification times of pages, set it to "mtime".
-
-To change the color used to draw the sparkline, use the `color` parameter.
-For example, "color=red".
-
-[[!meta robots="noindex, follow"]]