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First of all, I'd like to say that I think there's been a serious misunderstanding here. Placeholders were thought of, because many users who edit a wiki page (especially on Wikipedia), will see a very confusing template at the top which has nothing to do with the content of the page. The non-technical user then gets the feeling "this is not for me" and does not even attempt to contribute to that wiki. So, the idea of placeholders was to put something simple like <<< diagram 1 >>> or <<< math formula 3 >>> so that non-techies would not be scared off by scary syntax.

-- Chuck Smith, 2007-Jan-25

Ok, probably the name "multiline placeholder" is unfortunate and should be replaced by "plugin" or "module". The current syntax for placeholders has two lt and gt characters, so there shouldn't be confusion.

-- YvesPiguet, 2007-1-25

Could you put an example on the front page of a use of this? I'm trying to put my head around the concept and right now it seems too abstract. I am currently considering whether to put this into Creole 0.5 or not.

-- ChuckSmith, 2007-Feb-05

I think it's for something like MoinMoin's Parser Plugins. They are a very nice way of extending the engine, a little similar to CrossMark's macros. -- RadomirDopieralski, 2007-02-05

[http://www.wikicreole.org/wiki/Images|Images] suggests expanding the use for plugin content inclusion. Which is the way I have gone, combined with namespaces. Eg.

{{in:recentchanges}}       - include internal wiki recent changes
{{ext:googlemap}}          - include google map 
{{mypage}}                 - page inclusion 
{{myimage}}                - image

In the google map example, I want to be able to feed in a set of (long,lats) for markers. One idea would be to store them in a different "page". And have something like {{ext:googlemap RealAlePubsInUK}} , so the plugin pulls the latest revision of "RealAlePubsInUK" and feeds the google map.

What maybe nice to be able to label a block of data (so can reuse the data within the page), and have...

long, lat, blah blah...

{{ext:googlemap #RealAlePubsInUK}}

-- JaredWilliams, 2007-02-05

The Sensei's Library has an example of one extremely useful feature that could be made using this "plugin" syntax.

One could imagine simlar plugins for creating notes (and even downloadable midi files) on a music-related wiki, colored ASCII-art (ANSI-art?), various boxes and signs, or even just syntax-highlighted code.

-- RadomirDopieralski, 2007-02-05

I've implemented MultilinePlaceholderProposal; cf. http://nyctergatis.com/creole/sandbox.creole.

-- YvesPiguet, 2007-02-06

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« This particular version was published on 06-Feb-2007 20:45 by YvesPiguet.