FreeLists / dokuwiki / [dokuwiki] How to "override" legacy dokuwiki functions ?

[Oliver Geisen <oliver.geisen@xxxxxxxxxxxx>]

Hello,

i have specific question, but it's maybe more generic:

I want to use hierachical navigation, like provided by "tpl_youarehere 
()", but in a little modified behaveour:
what it does now:
  - shows pagename or H1-title* of start-page as first element
  - shows pagename or H1-title* of page "index" in each parent  
namespace
  - shows pagename or H1-title* of current page as last element
* H1-line of pages are only used when global configuration setting  
"useheading" is enabled.
what "I" want it to do:
  - show "Start" as first element, regardless of its pagename or H1- 
title
  - show pagename or H1-title* of page "index" in of each parent  
namespace
* H1-line should always be used if it's defined, regardless of global  
"useheading" setting.
----------

Now, to do this i think i have to hack the inc/template.php- 
>tpl_youarehere() function.
I know this is bad, but what i my alternatives ?
I could include it into an own template and use "mytpl_youarehere()"  
instead of "tpl_youarehere()" in it's main.php.
But there maybe some things which can not easily be handled by  
templates, like authentication.
As far as i know "action plugins" are just like hooks, they're  
executed before or after a specific event, line of code. So they  
can't fully replace an internal function, only extend it, right.

Any hints ?

Oliver Geisen


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