[pmwiki-users] Grouping in pagelists

[Simon]

Lets say I have a lot of pages in the format yyyy-mm-dd-description.

I want to group then by year.

Can anyone suggest a way of making

(:template first {(substr {=$Name} 0 4)}:)

work?

See http://www.pmwiki.org/wiki/Test/PageListGrouping for an attempt

thanks

Simon
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